Chemistry Sitemap - Page 23 2016-09-26

Matter Structure
Learn about the structure of matter to help prepare for the science section of the GED. Page 2.

Electrical and Thermal Conductivity of Diamond
One of the ways you can tell a diamond from most diamond simulants is by the conductivity of the material. Here's a look at the conductivity of diamond.

Plasma Definition in Chemistry
This is the definition of plasma.

Delocalized Electron Definition in Chemistry
This is the definition of delocalized electron.

Chemical Equilibrium Definition - Chemistry Glossary
This is the definition of chemical equilibrium.

Bubbles - Kids Science Projects with Bubbles
Learn how to make your own bubble solution and get ideas for science projects involving bubbles.

High School Projects
Get ideas for science projects appropriate for high school students.

Chemical Volcanoes - Chemistry Projects
Chemical volcanoes are a lot of fun to make. There is more than one way to make an eruption using chemicals. Here's a collection of volcano projects for you to try.

Chemistry Buying Advice - What You Need to Know
Make smart purchasing decisions! Check here before you buy that chemistry set, crystal-growing kit, glassware, software, toy, water filter, or other chemistry-related product.

Famous Chemists
Learn about famous chemists and other scientists who made significant contributions to the field of chemistry.

Percent Composition Definition
This is the definition of percent composition.

Absorbance - Chemistry Glossary Definition
Absorbance definition, as used in chemistry, chemical engineering, and other physical sciences. Absorbance is also known as extinction, optical density, or decadic absorbance.

Most Abundant Protein: What Is the Most Common Protein?
Have you ever wondered what the most abundant protein is? The answer depends on whether you want to know the most common protein in the world, in your body or in a cell.

Make Gunk
These are directions for making gunk, which is similar to slime.

What Is a Science Fair?
A science fair offers an opportunity for a student to present research and perhaps gain scholarships and prizes. Here's the definition for a science fair and more information about science fairs and science fair projects.

Chemistry of Metals and Alloys
Find information about the chemistry of metals and alloys, including compositions, mechanical properties, reactions, chemical properties, uses, and mining.

Caffeine Science Fair Projects
Caffeine is a naturally occurring stimulant that is found in many foods, beverages, and drugs. You can explore the effects of caffeine with your science fair project.

Materials Science Fair Projects - Science Fair Project Ideas for Materials Science
Materials science involves physical science and engineering. Science fair projects can invent new materials, improve existing materials, test the properties of materials, or compare the suitability of different materials for a specific purpose. Here's a look at some science fair project ideas in this field of research.

Curium Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element curium.

Nuclear Chemistry
Learn about isotopes, radioactivity, nuclear reactions, and processes that involve the atomic nuclei.

Is Spontaneous Human Combustion Possible?
Learn whether science supports the possibility of spontaneous human combustion.

What Is the Most Abundant Salt in the Sea?
Find out what the most abundant salt in the sea is.

What Is the IUPAC and What Does It Do?
Find out what the IUPAC is and learn a little about about what the IUPAC does within the academic and chemistry communities.

What Is the Most Abundant Form of RNA?
Learn about the most abundant form of RNA in cells.

pKb - Chemistry Term Definitions
This is the definition of pKb. Chemistry.

Ideas for Science Fair Projects Using Animals
Do you want to do a science fair project with your pet or another type of animal? Here is a collection of ideas that you can use for your project.

Sigma Bond Definition
Sigma bonds are covalent bonds formed by direct overlapping between two adjacent atom's outermost orbitals.

Periodicity & Trends in the Periodic Table
Learn about periodicity and trends in the periodic table. Topics include periods and groups, ionization energy, atomic radius, electronegativity, and electron affinity.

Periodic Properties and Trends
Learn about the trends in the periodic table which result from the periodic properties of the chemical elements. Get information about element groups.

Chemical Structures - Structures Starting with the Letter T
See chemical and molecular structures. These are structures having names starting with the letter T.

What is a Lewis Structure? - Definition
A structural representation of a molecule where dots are used to show electron position around the atoms and lines represent bonds between atoms.

How To Calculate Density of A Gas - Worked Example Problem
This example problem shows how to calculate the density of a gas when the pressure and temperature are known.

Weird Science - Strange & Bizarre Chemistry
This is a collection of articles and links covering strange or unusual chemistry topics as well as other weird science and pseudoscience.

Valine
Valine. Chemistry.

Vanillin Chemical Structure
This is the chemical structure of vanillin. Page 3.

Xylene
Xylene. Chemistry. Page 4.

2,2,4-Trimethylpentane - Isooctane Chemical Structure
This is the chemical structure of isooctane. Page 50.

Tyrosine
Tyrosine. Chemistry. Page 27.

TABUN Chemical Structure
This is the chemical structure of TABUN.

Threonine
Threonine. Chemistry. Page 14.

Thymine Chemical Structure
This is the chemical structure of thymine. Page 17.

Tryptophan
Tryptophan. Chemistry. Page 23.

Sucrose Chemical Structure
This is the chemical structure of sucrose. Page 22.

Ribose Chemical Structure
This is the chemical structure of ribose. Page 4.

Propylene
Propylene. Chemistry. Page 34.

3-Quinuclidinyl Benzilate (QNB or NATO code BZ)
3-quinuclidinyl benzilate (QNB or NATO code BZ). Page 13.

Phenylalanine
Phenylalanine. Chemistry. Page 15.

Proline
Proline. Chemistry. Page 30.

Anol - 4-(Prop-1-en-1-yl)phenol Chemical Structure
This is the chemical structure of 4-(prop-1-en-1-yl)phenol and anol. Page 81.

How to Calculate Density - Worked Example Problem
To calculate density of an object, you need to know the mass and volume of the object. These two example problems show how to calculate the density of a solid and liquid.

3,5-Dimethoxybenzoic Acid Chemical Structure
This is the chemical structure of 3,5-Dimethoxybenzoic acid. Page 16.

Methanoic Acid Chemical Structure
This is the chemical structure of methanoic acid. Page 14.

Methionine
Methionine. Chemistry. Page 15.

Methyl Methacrylate Chemical Structure
This is the chemical structure of methyl methacrylate. Page 19.

(Z)-2-methyl-2-butenoic Acid - Angelic Acid Chemical Structure
This is the chemical structure of (z)-2-methyl-2-butenoic acid or angelic acid. Page 69.

Methanoic Acid - Formic Acid Chemical Structure
This is the chemical structure of methanoic acid or formic acid. Page 57.

Lycopene Chemical Structure
This is the chemical structure of lycopene. Page 6.

Leucine
Leucine. Chemistry. Page 2.

Lysine
Lysine. Chemistry. Page 9.

Isoprene
Isoprene. Chemistry. Page 46.

Isoleucine
Isoleucine. Chemistry. Page 38.

Isooctane Chemical Structure
This is the chemical structure of isooctane. Page 42.

Serine
Serine. Chemistry. Page 6.

Seryl Chemical Structure
This is the chemical structure of the seryl amino acid radical. Page 7.

DEET - Dimethyltoluamide
DEET - Dimethyltoluamide. Chemistry. Page 6.

DEET Insect Repellent
DEET Insect Repellent. Chemistry. Page 7.

dUMP Chemical Structure
This is the chemical structure of deoxyuridine monophosphate or dUMP. Page 20.

Dimethylpropane Chemical Structures
This is the chemical structure of dimethylpropane. Page 18.

Diphenylpropene Chemical Structure
This is the chemical structure of diphenylpropene. Page 17.

2,6-Di-tert-butyl-4-methylphenol (Butylated hydroxytoluene or BHT)
This is the chemical structure of 2,6-di-tert-butyl-4-methylphenol. Page 110.

3,5-Dimethoxybenzoic Acid Chemical Structure
This is the chemical structure of 3,5-dimethoxybenzoic acid. Page 21.

Cyclopropane Chemical Structure
This is the chemical structure of cyclopropane. Page 35.

Cholesterol Chemical Structure
This is the chemical structure of cholesterol. Page 18.

Choline Chemical Structure
This is the chemical structure of choline. Page 16.

Cortisone Chemical Structure
This is the chemical structure of cortisone. Page 24.

Cyclobutane Chemical Structure
This is the chemical structure of cyclobutane. Page 32.

Cyclopentane Chemical Structure
This is the chemical structure of cyclopentane. Page 33.

Cytidine Chemical Structure
This is the chemical structure of cytidine. Page 37.

Cytosine Chemical Structure
This is the chemical structure of cytosine. Page 38.

Cyanidin - An Anthocyanin
Cyanidin - An Anthocyanin. Chemistry. Page 46.

Carotene Chemical Structure
This is the chemical structure of beta-carotene. Page 7.

Chlorophyll Chemical Structure
This is the chemical structure of chlorophyll. Page 15.

Caffeine Chemical Structure
This is the chemical structure of caffeine. Page 2.

Carbon Dioxide Chemical Structure
This is the chemical structure of carbon dioxide. Page 4.

Basketane Chemical Structure
Basketane Ring Structure. Chemistry. Page 2.

Beryllium Fluoride Chemical Structure
This is the structure of beryllium fluoride. Page 7.

BZ Chemical Structure
This is the structure of the chemical weapon known as BZ. Page 15.

Salt Crystal Geode
You can make a salt crystal geode in any color of the rainbow. The geode showcases the beautiful cubic structure of sodium chloride or table salt.

BARF Chemical Structure
This is the chemical structure of BARF.

Moronic Acid Chemical Structure
This is the chemical structure of moronic acid. Page 27.

Megaphone Chemical Structure
This is the chemical structure of megaphone. Page 28.

Diurea Chemical Structure
This is the chemical structure of diurea. Page 13.

SEX or Sodium Ethyl Xanthate
This is the chemical structure of SEX (sodium ethyl xanthate). Page 8.

BHA or Butylated Hydroxyanisole
BHA or Butylated Hydroxyanisole. Chemistry. Page 8.

BHT or Butylated Hydroxytoluene
BHT or Butylated Hydroxytoluene. Chemistry. Page 9.

Examples of Electromagnetic Energy
Here are examples of electromagnetic energy.

Physical Chemistry, Thermochemistry & Thermodynamics
This is a collection of problem sets, lecture notes, articles, and labs for physical chemistry, thermochemistry, and thermodynamics.

Chemistry Subjects
Learn about the different subjects of chemistry, such as organic chemistry, biochemistry, chemical engineering, physical chemistry, and analytical chemistry.

John Dalton
John Dalton. Chemistry. Page 27.

Pigment & Color Chemistry
Learn about the science behind colors and pigments. Get ideas for chemistry demonstrations and projects involving colors and color changes.

Glowing Projects
Find a home science project or experiment that glows in the dark, fluoresces, or phosphoresces.

Organic Compounds - Organic Compound Names and Formulas Starting with P
This is a list of organic compound names and formulas with names starting with the letter P.

Chemical Structures - Structures Starting with the Letter P
See chemical and molecular structures. These are structures having names starting with the letter P.

Are E-Cigarettes Safe?
Learn about the health risks associated with electronic cigarettes or e-cigarettes.

Chemical & Molecular Structures
See the chemical structures of molecules, ions, and chemical reactions.

Cyclopentadiene Ring
Cyclopentadiene Ring. Chemistry. Page 34.

Strong and Weak Acids and Bases Quiz
Practice identifying strong and weak acids and bases with this chemistry quiz.

Scientific Method Quiz
Test how well you understand the scientific method with this fun multiple choice quiz.

Units of Measurement Quiz
Test how well you know common units of measurement and the instruments used to make measurements with a fun multiple choice quiz.

Phase Diagram Quiz - Test Your Knowledge of States of Matter and Phase Changes
A phase diagram is a useful tool to determine the state of matter of a substance or predict the phase changes that will occur when changing pressure and/or temperature. Here's a quiz to test your ability to read a phase diagram.

Magnets and Magnetism Quiz
Test how well you understand how magnets and magnetism work with this fun multiple choice science quiz.

Functional Group Quiz - Test Your Recognition of Common Organic Functional Groups
You see them all the time, but how well do you know your common organic functional groups? Take this quiz to see if you can match names to structures of functional groups. Put the FUN in FUNctional group!

Equilibrium Constants Quiz - Test Your Knowledge of Equilibrium Constants
A reversible chemical reaction reaches equilibrium when the rate of the forward reaction equals the rate of the reverse reaction. The ratio of these two rates is called the equilibrium constant. Test your understanding of equilibrium constants with this ten question quiz.

Electronic Structure Quiz - Test Your Knowledge of Electronic Structure
Much of the study of chemistry involves the interactions between electrons around two different atoms. It is important, therefore, to understand how these electrons arrange themselves within the atom. Test your knowledge of electronic structure with this fun multiple choice quiz.

Crystal Growing Videos
These videos show you how to grow your own crystals. See how to make a crystal growing solution and watch time lapse videos of crystal growth.

Mad Scientist Science Projects - Do Science Projects Like a Mad Scientist
Do you want to be a Mad Scientist? Here is a collection of science projects that will either give you the appearance of a mad scientist or else require a bit of science madness to try.

Fire Science Project Videos
See how to perform safe and easy fire chemistry projects yourself by watching these step-by-step fire project videos.

Printable Element Photo Quiz - Identify Elements by Photo
Can you identify the elements based on how they look? Here's a printable multiple choice quiz you can take to test yourself.

G-Protein Coupled Receptor Definition
This is the definition for G-protein coupled receptor.

Simple Experiment Versus Controlled Experiment
Learn what a simple experiment is, the difference between a simple experiment and a controlled experiment, and get examples of simple and controlled experiments.

What Is the Difference Between Mass and Volume?
Learn about the difference between mass and volume.

10 Examples of Carbohydrates
Get examples of carbohydrates, learn what carbohydrates are, and find out how they are used by organisms.

How To Make Rock Salt
Try this recipe to make a rock salt substitute from ordinary table salt.

Deprotonation Defintion
Deprotonation definition as used in chemistry.

Why Is the Carbon Cycle Important?
Learn why the carbon cycle is important and how carbon moves on the Earth.

Tincture Definition
This is the definition of a tincture, with an example of how to prepare one.

A Day Away Bioluminescent Kayak Tours
If you've ever wanted to see and touch bioluminescence, make your way to Florida for A Day Away's kayak tours. Here's a look at the tours and my experience with them.

Thames & Kosmos Chem C3000 Chemistry Kit Review
The Thames & Kosmos Chem 3000 chemistry kit is the most comprehensive chemistry set on the market. It is used for home school high school chemistry and home experimentation. Learn whether the kit lives up to expectations and read pros and cons regarding the ultimate chemistry set.

Chemistry for Dummies Book Review - John T. Moore
Chemistry for Dummies by John T. Moore is a basic reference for introductory chemistry. This book review tells you what to expect so you can decide whether this book is right for you.

The Complete Idiot's Guide to Chemistry - Ian Guch - Book Review
The Complete Idiot's Guide to Chemistry by Ian Guch promises

Scoville Ratings of Chemicals
The Scoville scale is used to compare the relative heat of foods, such as ginger, black pepper and hot peppers. This is a table showing the Scoville ratings of various chemicals.

World's Biggest Smoke Bomb
Have you ever wondered just how big the world's biggest smoke bomb would be or how it could be constructed? Here's how the world's biggest smoke bomb was made.

Industrial and Engineering Chemistry
This is an overview of industrial and engineering chemistry, including what industrial and engineering chemistry is and what kind of jobs you would expect to find in this field.

Color Change Chemistry Demonstration for Kids
Here's a color change chemistry demonstration safe enough for kids to perform. It uses household chemicals and is a snap to set up.

If a Molecule Is Oxidized Does It Gain or Lose Energy?
Oxidation occurs when a molecule loses an electron. Learn how this affects its energy.

If a Molecule Is Reduced Does It Gain or Lose Energy?
Reduction occurs when a molecule gains an electron. Learn how this affects its energy.

Green Fire Jack o Lantern
Add boric acid to your jack o lantern flame to fill it with colored fire.

Colligative Properties
Colligative properties depend on the number of particles in a solution rather than on the type of particles in the solution. Learn about boiling point elevation, freezing point depression and vapor pressure.

Rare Earths
The rare earths include the lanthanide and actinide series. These elements are transition metals. Learn about the rare earths. Get information on rare earth characteristics, physical properties, common reactions, and identifying tests.

Today in Science History - November in Science History
Do you know what happened on this day in science history? This is an index of significant events relating to science that occurred during the month of November.

Today in Science History - October in Science History
Do you know what happened on this day in science history? This is an index of significant events relating to science that occurred during the month of October.

Today in Science History - September in Science History
Do you know what happened on this day in science history? This is an index of significant events relating to science that occurred during the month of September.

Today in Science History - July in Science History
Do you know what happened on this day in science history? This is an index of significant events relating to science that occurred during the month of July.

Today in Science History - June in Science History
Do you know what happened today in science history? This is an index of significant events relating to science that occurred during June.

Today in Science History - March in Science History
Do you know what happened today in science history? This is an index of significant events relating to science that occurred during March.

Temperature and Temperature Scales
Take at look at what temperature is and how temperature scales are used. Learn how to convert between Kelvin, Fahrenheit, and Celsius temperature scales.

Fake Blood Recipes - Halloween Recipes for Fake Blood
There are several ways to make fake blood for Halloween or for stage productions. Choose from recipes for realistic-looking blood, edible blood, and colored blood, such as blue, green, and glowing blood.

Bases
Learn what bases are, find examples of common strong and weak bases, and learn how to perform chemistry calculations involving bases.

Buffers
Learn what buffers are, how to prepare buffers, and how to perform chemistry calculations involving buffers.

Chemistry Jokes
This is a collection of jokes relating to chemistry and chemists.

pH
Learn what pH is, get examples of pH indicators, find pH scales and learn how to perform pH calculations.

Today in Science History - December in Science History
Do you know what happened on this day in science history? This is an index of significant events relating to science that occurred during the month of December.

Today in Science History - February in Science History
Do you know what happened today in science history? This is an index of significant events relating to science that occurred during February.

Today in Science History - January in Science History
Do you know what happened today in science history? This is an index of significant events relating to science that occurred during January.

Ink Recipes - Recipes for Colored, Invisible, Disappearing and Tattoo Inks
This is a collection of ink recipes. Find ink recipes for colored writing inks, invisible ink, disappearing ink, glowing ink, tattoo ink, and other types of inks.

Today in Science History - April in Science History
Do you know what happened today in science history? This is an index of significant events relating to science that occurred during April.

Today in Science History - August in Science History
Do you know what happened on this day in science history? This is an index of significant events relating to science that occurred during the month of August.

Glow in the Dark Chemistry Projects
Make glowing slime, geodes, ink and other glow in the dark projects. Find out what glows under a black light. Perform chemical reactions that produce luminescence.

Ice Cream Projects - Ice Cream Science
This is a collection of recipes for ice cream used as science projects. You can make tasty treats to learn about freezing point depression and phase transitions. Some of the recipes provide an introduction to cryogenics.

FAQs - Answers to Questions about How Things Work
Find the answers to questions about how chemistry works. These FAQs cover questions about how soap cleans, how hair dye works, what the most poisonous compound is, and many other chemistry-related topics.

FAQS - Answers to 'About Chemistry' Site Questions
This is the place to start if you are new to the About Chemistry website or have questions about how/where to find information.

FAQs - Answers to Questions Frequently Asked by Chemistry Students
Got questions about chemistry? Here are the answers to the most common questions I have been asked by chemistry students. These FAQs may help you with your homework or aid you in understanding chemistry concepts.

Chemistry Lesson Plans on the Internet - List of Chemistry Lesson Plans Online
This is a list of websites that list a wide variety of chemistry lesson plans.

Chemistry Forum Questions - Chemistry Questions and Answers
This is a collection of chemistry questions and answers from About.com's Chemistry forum. Some of the questions relate to chemistry homework while others are about how chemistry works.

Nitrogen
Nitrogen is the most common element in the earth's atmosphere. Find facts and projects for nitrogen.

Element of the Day
Learn about the featured element of the day. For each element of the day, find element facts, projects pertaining to that element, quizzes about that element and learn about how the element relates to your daily life.

Science Fair Project Ideas - Reader Submissions
This is a collection of science fair project ideas that have been posted by teachers, students, parents, and other readers.

Alkali Metals
Learn about the alkali metals. Get information on alkali metal characteristics, physical properties, common reactions, and identifying tests.

Nonmetals
Learn about the nonmetals. Get information on nonmetal characteristics, physical properties, common reactions, and identifying tests.

Transition Metals
Learn about the transition metals. Get information on transition metal characteristics, physical properties, common reactions, and identifying tests.

Alchemy
Learn about alchemy as it pertains to the history of chemistry.

Famous Scientists
Science is an interdisciplinary venture, where it's difficult to call a scientists a chemist or a biologist or a physicist. Most scientists integrate many sciences. Here's a look at the most famous scientists throughout history.

This Day in Science History - List of Science Events for This Day in History
This is an index of science events which took place on this day in history. The science history events for each date include inventions, discoveries, births and deaths of great scientists, as well as significant scientific successes and failures.

Women in Chemistry - Famous Female Chemists
Learn about women who have made a difference in the field of chemistry.

Thermochemistry Problems
See examples of worked chemistry problems pertaining to physical chemistry and thermochemistry.

CAD and Technical Drawing Software - Free and Commercial CAD Software
Free and commercial CAD and technical drawing software.

Engineering Fundamentals - Learn about Engineering
Learn the basic concepts of engineering. Get information about engineering equations, units, processes, standards, and materials.

Inorganic Chemistry Lecture Notes & Laboratory Exercises
Learn about the concepts of inorganic chemistry through this collection of study guides, lecture notes, and laboratory exercises.

Process Simulation and Modeling Software - Chemical Engineering Software
Find chemical engineering process simulation and modeling software ranging from full-fledged general-purpose process simulators to free tools for modeling of individual unit operations.

Analytical Chemistry Software & Computer Programs
These are computer programs and software packages designed specifically for analytical chemistry applications.

Analytical Chemistry Journals & Publications
This is a collection of links to analytical chemistry journals and publications.

Analytical Chemistry Lecture / Course Notes
Grasp the concepts of analytical chemistry, including the basics of electrophoresis, chromatography, calorimetry, spectroscopy, crystallography, and spectrometry.

Color Chemistry Projects
Learn how to perform cool chemistry projects that produce colors or involve color changes.

Color Chemistry Demonstrations
Perform chemistry demonstrations that produce colors or involve color-change chemical reactions.

Inks and Ink Chemistry
Get recipes for writing ink, invisible ink, tattoo ink, disappearing ink and more. Find information about the ingredients in ink and ink chemistry.

10 Element Facts
Here are 10 quick and interesting facts for each of the chemical elements of the periodic table.

Cleaning Tips
Learn how to use chemistry to solve cleaning problems. Remove stains, polish tarnished metals, get the most out of your cleaner, and successfully remove grease and grime without gassing yourself.

Fireworks Projects - Make Your Own Fireworks & Pyrotechnics
Learn how to make your own fireworks and pyrotechnic devices (safely).

Elementary School Projects
Find science projects that are appropriate for elementary school projects.

Chemistry Clipart
The chemistry clipart collection includes images of glassware, element, chemistry lab experiments, and more.

Chemistry Introductions - Introduction to Chemistry Disciplines and Topics
Get introduced to the fields of chemistry and major topics. These introductions include the periodic table, chemical engineering, spectroscopy, and (of course) chemistry.

Alloys - Facts About Alloys - List of Alloys
Get information about the composition and properties of alloys. Learn about alloys of specific metals.

Acid-Base Chemistry Problems
This is a collection of worked chemistry problems involving acids, bases and pH. Acid-base problems include pH calculations, neutralizations, and titrations.

Gas Law Problems
These are worked chemistry problems that deal with gas laws, including the Ideal Gas Law, Avogadro's Law, Boyle's Law, Charles' Law, the Combined Gas Law, Dalton's Law of Partial Pressures, Gay-Lussac's Law, and Graham's Law.

Middle School Projects
Find middle school science projects that you can do.

Funny & Humorous Periodic Tables
This is a collection of unusual periodic tables, all meant to be humorous or as jokes. You'll find comic books, haiku, condiments, rejected elements and other witticisms presented in the familiar periodic table format.

Chemistry Test Questions
This is bank of chemistry test questions, grouped according to subject. Answers to the chemistry test questions are provided.

K-12 Grade Chemistry Lessons
This is a collection of chemistry curricula suitable for primary and secondary students and their teachers. Students learn about atoms, molecules, and chemical reactions. Educators find teaching resources and relevant laboratory demonstrations.

Trivia Quizzes
Trivia quizzes cover a variety of facts. Try a chemistry trivia quiz or general science trivia quiz.

Atomic & Molecular Structure - General Chemistry & Quantum Physics
Find information about orbitals and the overall organization of atoms. Atomic and molecular orbitals and bonding are discussed. Travel from proton and electron fundamentals to the quantum theory.

These chemistry quizzes are just right for the K-12 crowd. You'll find matching, hangman, concentration, and more!
These chemistry quizzes are just right for the K-12 crowd. You'll find matching, hangman, concentration, and more!

Virtual Chemistry Textbook
Teach yourself the essential concepts of general chemistry with the help of this virtual textbook.

Chemical Composition
Find the chemical composition of various materials, such as human beings, blood, seawater, air, the earth's crust and the sun.

Chemistry Lesson Plans - Lesson Plans for General and Introductory Chemistry
Science is learned through doing! These are chemistry lesson plans which teach chemistry by letting students experience science and form conclusions.

Chemistry Tests & Quizzes - Elsewhere on the Web
Here's a collection of the best chemistry tests and quizzes at sites other than About Chemistry.

General Chemistry Tests & Quizzes
Test your understanding of general chemistry principles with these quick and fun quizzes.

Units and Conversions Quizzes - Quizzes and Self-Tests for Units and Conversions
This is a collection of quizzes and self-tests concerning units and conversions. Topics include measurements, metric-to-metric conversions, conversions between English and metric units, temperature and pressure conversions, and types of units.

Chemistry Nomenclature & Naming Quizzes
This is a collection of chemistry nomenclature and naming quizzes and self-tests. Test your ability to name chemicals or to write the formulas for compounds based on their names.

Crystal Recipes by Color
Find the perfect instructions for growing your own crystals based on the color of crystal you want.

Crystals for Beginners - Easy Crystal Growing Projects
Some crystals are easy to grow. Other crystals require some experience. This is a collection of crystal growing projects that are great for beginners or anyone looking for simple, reliable results.

Crystal Facts - Learn about Crystals - Crystal Facts and Information
Get crystal facts. Learn about what crystals are, their common shapes, how crystals grow and how different crystals look.

Crystal Growing Basics
Learn crystal growing basics. Get help making saturated crystal solutions and seed crystals and solving common crystal growing problems.

Crystal Growing Kits
Learn about different crystal growing kits and read the reviews to see how the crystal growing kits measure up.

Crystal Growing Videos
See how to grow your own crystals from these crystal growing videos.

Acid & Base Demos - Chemistry Demonstrations with Acids Bases and pH
Find chemistry demonstrations that illustrate the concepts of acids, bases, and pH. These demonstrations often involve color-change reactions and pH indicators.

Endothermic & Exothermic Reaction Chemistry Demonstrations
Find chemistry demonstrations that feature endothermic or exothermic chemical reactions.

Holiday How-To's - Chemistry Crafts and Projects
Here are chemistry activities that are just right for the holidays! Make fake blood for Halloween, borax snowflakes for Christmas, and add fog to parties.

Invisible Ink - Invisible Ink Projects
There are many different ways you can make invisible ink and reveal secret messages using common household ingredients.

Let's Make Slime - Slime Recipes for Kids
This is a collection of slime recipes for kids. You'll find goo, ooze, flubber, oobleck, putty, and many more types of slime. Slime recipes are a great way to experience polymers.

Slime Recipes
Learn to make different types of slime, gak, gunk, putty, floam, and ooze.

Holiday Chemistry Demonstrations
This is a collection of chemistry demonstrations appropriate for various holidays.

Element Pictures
See what the elements look like. This is a collection of pictures of the chemical elements.

Free Science Fair Project Ideas
Science fair projects don't have to cost any money! Here is a collection of free science fair project ideas for you.

Grade School Science Fair Project Ideas
Get ideas for grade school science fair projects. Browse the comprehensive list of grade school science fair project ideas or select a science fair idea by grade level. Reader-submitted science fair project ideas are also available.

High School Science Fair Project Ideas
Get ideas for high school science fair projects. Browse a comprehensive list of high school science fair projects or find projects by high school grade level. There is also a list of reader-submitted high school science fair project ideas.

Middle School Science Fair Project Ideas
Get ideas for middle school or junior high school science fair projects. Browse a comprehensive list of middle school science fair project ideas or find project ideas by grade level.

Engineering Jokes
Browse this extensive collection of engineering jokes. You'll find engineering jokes, one liners, other engineering stories, and engineering humor submitted by readers.

Home Chemistry Demonstrations
Find a chemistry demonstration that you can perform using household materials. These home chem demos are great if you're home schooling or seeking a lab that uses everyday chemicals.

Metals Projects
Find chemistry projects, experiments and demonstrations that involve metals and alloys.

Free Online Chemistry Courses
Find a free online chemistry course or class. This is a list of free chemistry courses that you can read online or download to study later.

Balancing Equations
Find examples of worked chemistry problems showing how to balance chemical equations.

Nuclear Decay Problems
See how to work problems involving nuclear decay. Example nuclear decay problems include half life, carbon 14 dating, alpha decay, beta decay, electron capture and more.

Solubility Problems
See how to work solubility problems, including how to calculate solubility product and determination of whether a substance will dissolve.

Crystal Projects for Kids
Here's a collection of crystal growing projects just right for kids. These crystals use safe household chemicals and are easy to grow.

Health & Beauty Projects - Health & Beauty Chemistry Projects
Use your command of chemistry to make your own perfume, bath salts, cosmetics, soaps, lotions, etc.

Chemistry Photo Galleries - Chemistry Photos & Pictures
See the chemistry of the world around you... elements, crystals, molecules, gemstones, glassware, and more. This is a collection of photo and image galleries having to do with chemistry.

Element Quizzes
This is a collection of element quizzes. Find quizzes about element facts, a personality quiz that matches you up with an element, and quizzes about specific chemical elements.

Chemistry Calculations - How to Perform Chemistry Calculations
See examples of several types of chemistry calculations. Example calculations include unit conversions, balancing equations, calculating concentration, finding pH, and many more.

Science Experiments
Find a science experiment according to educational level. These are ideas for science experiments, with resources for further study and sample hypotheses.

Element Electron Shell Diagrams
This is a collection of element electron shell diagrams. See the number of electrons in each shell of an atom of an element.

Chemical Databases
Find physical and chemical properties of compounds, molecules, and atoms. Abstracts, patents, and chemical incompatibilities all have databases.

Chemistry A to Z Index - Encyclopedia of Chemistry
This is an alphabetical index of the contents of the About Chemistry website. It's a site map/encyclopedia that includes the articles, how-to's, elements, glossary, structures, problem sets, FAQs, and other features written by Anne Helmenstine for About Chemistry.

Science and Chemistry Images, Clip Art, & Structures
Images, clipart, photos, and graphics are provided for science equipment, equations, chemical structures, safety signs, instructional materials, and famous chemists. General software for writing chemical equations is also listed.

Chemistry - Databases - MSDS Material Safety Data Sheets
These are collections of Material Safety Data Sheets, as well as information on how to read and use them. Several sites offer MSDSs in languages other than English.

Gases - Gas Properties Projects and Demonstrations
Learn about gases. Get information on gas properties, learn to prepare gases, and find projects and demonstrations involving gases.

Safety Signs and Symbols - Free Printable Lab Safety Signs and Symbols
This is a collection of safety signs and symbols, primarily laboratory and chemical lab safety signs and symbols, that you can save and print for your own use.

Chemistry FAQs - Physical Science Frequently Asked Questions
Find answers to your Frequently Asked Questions (FAQs) about all aspects of chemistry.

Chemistry Supplies and Chemical Suppliers
This is the place to locate chemical supply houses for educational, general, and specialty chemicals and equipment.

Chemical Weapons & Warfare Agents
Find information about the chemistry, history, dispersal, toxicity, countermeasures, and disposal of chemical warfare agents.

College Chemistry - College Chemistry Concepts and Labs
This is a collection of lecture notes and labs relating to college chemistry.

Equations of State - Equations and Worked Examples of Equation of State Problems
Equations of state are thermodynamic equations which describe the state of matter under a given set of physical conditions. Here is a list of the equations of state, with worked examples of how to use them to describe and predict the properties of liquids and gases.

High School Chemistry
Review high school chemistry concepts, practice chemistry problems, and prepare for tests.

Acids and Bases - pH Chemistry
Learn about acids and bases. Here are lecture notes, tutorials, definitions, study guides, tables, self-quizzes and other resources to make those acid-base and pH problems easier.

General Chemistry Lab Experiments
Learn chemistry the hands-on way, with these general chemistry laboratory experiments, demonstrations, projects, and exercises.

Electrochemistry - Chemistry
Get basic and advanced information on conductivity, ions, fuel cells, batteries, and electrodes. Included are electrochemistry journals and software.

Printable Quizzes
This is a collection of chemistry and science quizzes that you can take online or can print.

Named Reactions
See examples of named reactions in organic chemistry.

Tetrahydrocannabinol (THC) Chemical Structure
This is the chemical structure of tetrahydrocannabinol or THC. Page 8.

Drugs & Medications - Chemistry of Legal & Illegal Drugs
Learn about the chemistry and pharmacology of legal and illegal drugs and other medications.

Metal Crystals - Metal Crystal Recipes - Grow Metal Crystals
Learn how to grow beautiful metal crystals, such as silver crystals, tin crystals, and bismuth crystals.

Borax Crystals
You can grow borax crystals around any shape you like or you can use them to sprinkle a crystalline coating onto any porous object. This is a collection of borax crystal projects, including borax crystal snowflakes, borax crystal hearts, borax crystal stars, glittery crystal stocking and borax paper snowflakes.

Alum Crystals
Grow alum crystals! You can grow alum crystals that are clear, geodes, colored, or even glow in the dark alum crystals.

Mad Cow Disease - What You Need to Know - Bovine Spongiform Encephalopathy
Here's a breakdown of Dr. Eve Riser-Roberts guest article on Mad Cow Disease and Cats for About Chemistry, with additional Mad Cow (Bovine Spongiform Encephalopathy) resources from across the About Network.

Molecular Formulas - Chemical Formulas and Molecular Formulas for Common Compounds
Find the molecular formulas or chemical formulas for common chemical compounds.

Phases and Phase Changes Quiz - Test Your General Chemistry Knowledge
Phases and Phase Changes Quiz - Test Your General Chemistry Knowledge

Homework Help
Get help with your chemistry homework. Practice problems, learn to memorize and take notes, and get help studying.

Astrochemistry & Exobiology
Learn about the chemistry of the cosmos and the chemistry of extraterrestrial life. These are resources for astrochemistry, including research groups, degree programs, lecture notes, conferences, and databases. Exobiology as it relates to chemistry is also included.

Crystallography
Find tutorials and techniques for X-ray and neutron crystallography: lattices, diffraction, Fourier analysis, packing of atoms, structure of macromolecules. This section also includes journals and software.

Science Fair Project Ideas
Find a great science fair project idea. Projects are grouped by subject and also by grade level.

Science Fair Judging - How to Be a Science Fair Judge and What Judges Look For
Learn how to be a science fair judge or gain insight into what science fair judges are looking for in a good science fair project.

Analytical Chemistry
These are the techniques and applications of molecular identification. Analytical chemistry lecture notes, laboratory exercises, organizations, journals, software, and additional resources are provided. Information is available for calorimetry, crystallography, electrophoresis, chromatography, and spectroscopy.

Chromatography
Find lessons, concepts, literature, and software for chromatographic separation and analysis techniques.

Environmental Chemistry
Find environmental chemistry notes, labs, lectures, and articles. Links to laws and organizations are also provided.

Inorganic Chemistry
If it isn't carbon-based, it's probably covered here. Of course, inorganic reactions of carbon are described. You'll find lecture and lab notes, molecular structures, journals, and study guides.

Chemistry - Organic - Polymer Chemistry
This is a collection of polymer chemistry notes, lectures, lessons, and articles.

Spectroscopy & Spectrometry
This is a collection of lecture notes, spectra, organizations, journals, databases, and additional spectroscopy/spectrometry resources.

Back to School - Chemistry and Science
Find chemistry study tips, information about calculators and texts, and other essential back-to-school information.

Ask an Expert - Online Chemistry Help
Find professionals and teachers who answer your chemistry questions. These include science journalists and members of museums and laboratories. Many 'experts' maintain online archives of answered questions.

Online Calculators & Conversion Tables
Look here for information about measurement systems, units, and related topics, as well as online calculators and software for unit conversions. You'll also find calculators for pH, temperature, molecular weight, and other chemistry figures.

Chemistry Study Skills
Learn how to organize your time, take notes, memorize, and study chemistry.

AP Chemistry - Advanced Placement
Learn the concepts of AP chemistry and test your comprehension.

Chemistry Quick Review - Chemistry Quick Review and Study Guide
These are review sheets to help you study chemistry. There are reviews of concepts, equations, worked examples, and study tips. You can use these to refresh your memory before a big test or to quickly review important concepts.

GED Chemistry - General Education Development Test
Chemistry is an important part of the GED or General Education Development Test. Learn the concepts and test your comprehension.

Chemistry Supplies & Chemical Suppliers
Find chemicals and chemistry supplies for science fair projects, home schools, and home experiments. This is a list of suppliers that sell to the general public. Of course, schools and labs can order from them, too.

Laboratory Techniques - Basic Chemistry Lab Techniques
Brush up on basic chemistry lab techniques such as reading a meniscus, cleaning your glassware, making dilutions, and performing a recrystallization.

Mad Scientist Lab - Projects & Experiments for the Mad Scientist
Do you crave bubbling potions, slimy ooze and ghoulish glowing objects? It's time to break out the lab coat and do (mad) science! These projects and experiments are safe enough for young mad scientists, though mad scientists of any age can do them.

Chemistry Videos
This is a collection of chemistry videos, primarily showing you how to perform chemistry experiments and demonstrations. Many of the videos deal with chemistry concepts and projects.

How to Make Smoke & Smoke Bombs
Learn different ways to make smoke or fog, smoke bombs, colored smoke bombs, and how to perform chemistry demonstrations that produce smoke.

Science Fair Project Websites
Here's a collection of the best-of-the-best sites and pages covering science fair projects.

Sample Science Fair Projects - Complete Science Fair Project Examples
Science fair projects from start to finish! Are you looking for a science fair project idea, complete with a hypothesis, materials list, procedure, and ideas for discussion? I thought so. This section is just for you.

Alchemical Symbols of the Elements - Chemistry History
Here's a look at the alchemical symbols of the elements. Along with the symbol image, you'll find facts about how the element was used in alchemy.

Periodic Table
Learn what the periodic table is and how it is used to arrange the chemical elements in a logical order.

Acids
Learn what an acid is, get examples of common strong acids and weak acids, and learn how to perform chemistry calculations relating to acids.

Calculate Concentration - How to Calculate the Concentration of Solutions
This is a collection of definitions and examples of different methods calculating the concentration of a chemical solution. Molarity, molality, normality, dilutions, mole fraction, and mass percent are among the concentration calculations that are included.

Lab Recipes
This is a collection of chemical, biological and histological recipes for various stock solutions, stains and preparations.

Phenazone - Antipyrine
This is the chemical structure of phenazone, also known as antipyrine. Page 128.

Anisaldehyde Chemical Structure
This is the chemical structure of anisaldehyde. Page 153.

Aurin Chemical Structure
This is the chemical structure of aurin. Page 154.

Snow & Snowflakes - Snowflake Chemistry
Get answers to common questions about snow and snowflakes, see photos of snow crystals, and learn how to make your own snowglobes and fake snow.

New Year's Chemistry
Learn about the chemistry related to New Year's Eve and New Year's Day. New Year's is associated with fireworks, alcohol, and the beginning of the dieting season. Here's a look at the chemistry behind these topics and more.

Mole Day - Celebrate Mole Day - Mole Day Chemistry Holiday
Celebrate Mole Day! Learn when Mole Day is, what Mole Day is, and how you can celebrate Mole Day.

Christmas Chemistry
Find facts and projects relating to Christmas chemistry. Make Christmas tree preservative, poinsettia pH paper, copper-plated holiday ornaments, peppermint creme wafers, silver polish, fake snow, and crystal snowflakes.

Summer Chemistry - Summer Science
Here's a collection of fun summer activities and a look at the science behind summer staples like fireworks, bbq, and ice cream.

Valentine's Day Chemistry
Learn about the chemistry of love and how the science relates to traditional Valentine's Day gifts, such as flowers, diamonds, and chocolate.

Earth Day - Learn about Earth Day - Celebrate Earth Day
Learn about Earth Day. Find out when Earth Day is, get information about Earth Day history, get ideas of ways to celebrate Earth Day, learn about the environment and learn about important legislation related to Earth Day.

Length Conversions - Worked Unit Conversion Problems for Length
Learn how to perform unit conversions for length between units such as meters, feet, yards, millimeters, and more. Examples for both Metric and English length conversions are included.

Temperature Conversions - Examples of Temperature Conversion Problems
Find examples of worked temperature conversion problems. Convert between Celsius, Fahrenheit, and Kelvin temperature scales.

Pressure Conversions - Worked Pressure Unit Conversions
Find worked examples of unit conversions involving pressure. Units include pascals, atmospheres, millimeters of mercury, etc.

Volume Conversions - Examples of Volume Conversion Unit Problems
Learn how to convert between various units of volume, such as liters, milliliters, cubic centimeters, and microliters.

Printables - Printable pdf and word Files for Chemistry
This is a collection of pdf and word files that you can download and print. Printables include graph paper, periodic tables, and problem sets.

Food Science Projects - Cooking and Food Projects and Experiments
Do you play with your food? Maybe you should. There is a lot of fun and educational science to be found in the kitchen. These projects will help you explore cooking chemistry and the science of foods.

Molecule and Compound Facts
Get facts about molecules and compounds including the chemical formula, structure, chemical and physicals properties and other details.

Home Chemistry Kit - Projects & Experiments
Learn chemistry at home! Here's a list of chemicals you can obtain and store safely at home with projects and experiments that use only those materials.

Thanksgiving Chemistry - Chemistry and Chemistry Projects for Thanksgiving
Take a look at some of the chemistry behind Thanksgiving dinner, plus get ideas for chemistry projects that relate to Thanksgiving.

Colored Fire - Colored Fire Projects and Information
Make your own rainbow of colored fire and learn about emission spectra of chemical compounds.

Noble Gases
The noble gases are nonmetals. Learn about the noble gases. Get information on noble gas characteristics, physical properties, common reactions, and identifying tests.

Chemistry Lab Safety
Don't be a menace to yourself and others in the chemistry lab. Learn to recognize safety signs, how to handle dangerous chemicals, how to avoid accidents, and what to do when accidents happen anyway.

Biochemistry Lecture Notes & Laboratory Exercises
Find information on biochemical processes. This section includes lecture notes, reaction summaries, molecular structures, databases, research projects, laboratory exercises, and detailed descriptions of biochemistry concepts.

Organic Chemistry Lecture Notes & Laboratory Exercises
Learn about the concepts of organic chemistry through lecture notes, flash cards, study guides, structure databases, laboratory exercises, problems sets, and self-tests.

Biochemistry Journals & Publications
This is a compilation of biochemistry journals and publications.

Organic Chemistry Journals & Publications
This is a collection of organic chemistry journals, periodicals, and other online publications.

Organic Compounds - List and Structures of Organic Chemical Compounds
Find names and structures of organic chemical compounds.

Water Quality File
This is a collection of links to drinking water suppliers from around the world who publish chemical analyses of their product. Most of these quality reports are from within the United States.

Heavy Water
Get facts about heavy water or deuterium monoxide. Find out what heavy water is, what its chemical and physical properties are, and get additional heavy water facts.

Units & Measurement
Learn about the units used in chemistry, how to convert between them, how to take measurements, and how to make basic calculations.

Visible Spectrum Definition - Definition of Visible Spectrum
This is the definition of visible spectrum.

Wet Definition - Definition of Wet
This is the definition of wet. Chemistry.

d Orbital Definition - Definition of d Orbital
This is the definition of d orbital.

Chemistry Career Development & Advancement
Get advice to keep your chemistry career on track, sharpen your skills, polish your resume, answer tough interview questions, weather unemployment, and succeed at what you love to do! Salary surveys are also included here.

Chemical Engineering - Information for Chemical Engineers and Chemical Engineering
This is a collection of resources pertaining to chemical engineering. In addition to information about what a chemical engineer is and what a chemical engineer does, you'll find a directory of chemical engineering schools and a chemical eng student survival guide.

Find a Chemistry Job / Career
Use these resources to find a chemistry job and make it into a career. Learn the current job market and employment prospects for chemists, chemical engineers, and related professionals.

Get Accepted to Medical School - Applying to Medical Colleges
Get help with pre-med preparation for medical school, taking the MCAT, completing the AMCAS application, secondary applications, interviewing, and facing rejection.

Government Labs - Chemistry & Scientific Research
This is a compilation of worldwide labs, foundations, and agencies. Examine their research programs, laboratories, funding plans, and published archives.

Graduate and Professional Schools - Chemistry & Chemical Engineering
These are links to graduate and professional school programs in chemistry, chemical engineering, and related disciplines.

Chemistry Journals, Zines & Publications
Chemistry journals, magazines, publications, and zines are listed here. Links to publishers are also included.

Online Chemistry Courses and Classes
This is a collection of online chemistry courses. Courses include minicourses, webcast classes, self-paced courses, and other chemistry lectures.

Chemistry Societies, Groups and Organizations
Join the club! Here's a list of chemical and chemical engineering student and professional societies, organizations, and groups.

Undergraduate Colleges and Universities for Chemistry Programs
This is a compilation of worldwide chemistry undergraduate schools that maintain websites.

Chemists - Job Info for Chemists
This is a collection of resources for chemists or people interested in becoming chemists. You'll find a career profile for a chemist, information about the coursework necessary to become a chemist, a look at what being a chemist entails, and additional information.

SAT Chemistry
Learn what the SAT Chemistry Test is, get details about the SAT Chemistry Test, and review chemistry that may appear on the test.

Homeschool Chemistry
Find homeschool chemistry resources, including homeschool chemistry curriculum ideas, homeschool chemistry experiments and homeschool periodic table and elements help.

Chemistry Blogs
Keep up with the latest happenings in the world of chemistry with these blogs.

Chemistry & Chemical Engineering News - Science News Current Events Press Releases
Get up-to-date news, current events, and press releases in the fields of chemistry and chemical engineering. Some of the articles are technical, while others deal with chemistry as it affects our everyday lives.

Jewelry Chemistry - Chemistry of Beads Metals Gems
This is section devoted to beaders, metalsmiths, and jewelry makers. I've gathered together all of my information relating chemistry and jewelrymaking into one convenient place!

Opinions on Chemistry
Share your thoughts and opinions on chemistry and other science topics.

Units, Measurement and Conversions
Units, measurement, and conversions are among the first topics covered in any science class, including chemistry. Learn about the basic units of measurement and how to convert between them.

Chemistry Study Skills
Make the most of your chemistry study time by studying effectively. Here are some strategies for organizing your time, memorizing, taking notes, studying, and passing tests.

Electronic Structure
Get information about how electrons behave and how they are organized around atoms and ions. Learn about quantum numbers, magnetism, the Auflau Principle, the Pauli Exclusion Principle, and Hund's Rule.

Elements
Find out about the chemical elements. Learn what an element is and get fun elements facts.

Gases
Examine the properties of real and ideal gases. Perform calculations using the Ideal Gas Law, Dalton's Law, Graham's Law, and Van der Waals Equation. Learn to prepare gases in the lab.

Introduction to Chemistry
Welcome to chemistry! Let's start with the basics... what chemistry is, what chemists do, and why you should study chemistry.

Molecular & Formula Weights
Learn how to calculate molecular weights and formula weights.

Moles - Chemistry of Moles
Learn about one of the basic units of chemistry, the mole. Get information about moles and see worked example problems calculating the number of moles in a chemical equation.

Nomenclature
Learn how to name ions, molecules, and compounds.

Nuclear Decay
Learn about the different types of nuclear decay, half-life, mass defect, binding energy, and applications of nuclear decay such as nuclear energy, weapons, and carbon dating.

Equilibrium - Chemical Equilibrium
Learn about chemical equilibrium. Find out what happens when chemical reactions achieve equilibrium, calculate equilibrium constants, and use Le Chatelier's Principle to predict what happens when equilibrium is disturbed.

Atomic Weights
Learn the difference between atomic number and atomic weight. Understand what an isotope is and how atomic weight is calculated.

Advanced Home Chemistry Projects
This is a collection of chemistry projects that you can do with everyday household materials that either require adult supervision or else are a little more involved than basic home experiments.

Projects Involving Fire
Find a home experiment that involves sparks, combustion, flames or fire.

Tellurium Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element tellurium.

Neptunium Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element neptunium.

Lawrencium Facts - Periodic Table of the Chemical Elements
Get facts on the chemical and physical properties of the element lawrencium.

Einsteinium Facts - Periodic Table of the Chemical Elements
Get facts on the chemical and physical properties of the element einsteinium.

Americium Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element americium.

Atomic Number 17
Learn about the element that is atomic number 17 on the periodic table.

Atomic Number 18
Learn about the element that is atomic number 18 on the periodic table.

Atomic Number 19
Learn about the element that is atomic number 19 on the periodic table.

Organic Compounds - Organic Compound Names and Formulas Starting with J
This is a list of organic compound names and formulas with names starting with the letter J.

Organic Compounds - Organic Compound Names and Formulas Starting with S
This is a list of organic compound names and formulas with names starting with the letter S.

Famous Scientist Pictures - Famous Scientists Last Names Starting with P
This is an alphabetical index of photos, portraits and other pictures of famous scientists.

Virtual Chemistry Text - Chemical Formulas
Virtual Chemistry Text: Learn how to write the formulas for ions, molecules, and compounds.

Inorganic Chemical Compounds Starting with A
List of inorganic chemical compounds beginning with the letter A.

Inorganic Chemical Compounds Starting with C
List of inorganic chemical compounds beginning with the letter C.

Inorganic Chemical Compounds Starting with J
List of inorganic chemical compounds beginning with the letter J.

Iron - Elements in Fireworks
Learn about the use of the element iron in fireworks and pyrotechnics.

Lithium - Elements in Fireworks
Learn about the use of the element lithium in fireworks and pyrotechnics.

Phosphorus - Elements in Fireworks
Learn about the use of the element phosphorus in fireworks and pyrotechnics.

Sulfur - Elements in Fireworks
Learn about the use of the element sulfur in fireworks and pyrotechnics.

Titanium - Elements in Fireworks
Learn about the use of the element titanium in fireworks and pyrotechnics.

Chemistry Finals
Get help passing your chemistry finals with these final exam study tips and chemistry help.

Calorimeter Constant Definition - Chemistry Glossary Definition of Calorimeter Constant
Calorimeter Constant definition, as used in chemistry, chemical engineering, and physics.

Alkyne Definition - Chemistry Glossary Definition of Alkyne
Alkyne definition, as used in chemistry, chemical engineering, and physics.

About.com Chemistry on Facebook and Twitter
You can follow About.com Chemistry on Facebook and Twitter. Here's how to interact with Anne Helmenstine of About.com Chemistry and some information about what to expect from Facebook and Twitter.

Compounds - Inorganic Chemicals
List of inorganic chemical compounds.

Food Additives - Names Starting with S
This is a list of common food additives having names starting with the letter S.

Food Additives - Names Starting with S - continued
This is a list of common food additives having names starting with the letter S. Page 2.

Famous Chemists - Last Names Starting with P
This is a list of famous chemists and other scientists who made important contributions to the field of chemistry, who have last names starting with the letter P.

Atomic Number 10
Learn about the element that is atomic number 10 on the periodic table.

Atomic Number 7
Learn about the element that is atomic number 7 on the periodic table.

Atomic Number 9
Learn about the element that is atomic number 9 on the periodic table.

Atomic Number 14
Learn about the element that is atomic number 14 on the periodic table.

Praseodymium Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element praseodymium.

Bohrium Facts - Periodic Table of the Elements
Get periodic table facts on the chemical and physical properties of the element bohrium.

Darmstadtium Facts - Ununnilium Facts
Get periodic table facts on the chemical and physical properties of the element darmstadtium or ununnilium.

Dysprosium Facts - Periodic Table of the Chemical Elements
Get facts on the chemical and physical properties of the element dysprosium.

Periodic Table of the Elements
Periodic Table of the Elements. Chemistry. Page 12.

NADH - Nicotinamide Adenine Dinucleotide Chemical Structure
This is the chemical structure of NADH or nicotinamide adenine dinucleotide. Page 18.

Neomycin B and C Chemical Structure
This is the chemical structure of neomycin B and C. Page 22.

Nervonic Acid Chemical Structure
This is the chemical structure of nervonic acid. Page 48.

Naphthacene Chemical Structure
This is the chemical structure of naphthacene. Page 49.

Periodic Table of the Elements Quiz - Test Your Chemistry Knowledge
The quiz tests how well you understand how to use the periodic table.

Sodium in Water Explosion
This is an explosion resulting from adding about 3 pounds of sodium to water. The reaction between sodium and water produces sodium hydroxide and heat. Sodium metal can melt under the heat and be buoyed up by hydrogen, sometimes resulting in an explosion of sodium metal and corrosive sodium hydroxide solution. Page 146.