Chemistry Sitemap - Page 9 2016-09-26

How To Memorize the Periodic Table
Get step by step instructions to memorize the periodic table of the elements, including printable tables and a blank practice table.

Tips To Memorize the Periodic Table
Get a copy of the periodic table so you can refer to it while memorizing all the elements.

Can You Shatter a Glass with Your Voice?
Find out whether it's true you can shatter a glass with your voice and then see whether you can do it. Don't worry -- here are tips for success!

What Is the Density of Water?
The density of water is its weight per unit volume, which depends on temperature. Density is about 1 gram per milliliter, but here are more precise values for you.

What Are the Parts of an Atom?
Atoms are the building blocks from which elements and compounds are made. Here's a look at the parts of an atom and how they fit together.

Chemical & Physical Changes
Chemical and physical changes relate to matter properties. Find out what chemical and physical changes are, get examples, and learn how to tell them apart.

What Is Tryptophan?
Tryptophan is an amino acid that is found in many foods, such as turkey. Here are some facts about what tryptophan is and the effects it has on your body.

What Is Red Mercury? - Explanations of the Term
Learn about red mercury, mercury antimony oxide, and its purported use in explosives and fusion devices.

Christmas Tree or Floral Preservative Recipe
Make your own Christmas tree food or cut flower preservative.

Make Holiday Ornaments Using Chemistry
Make holiday ornaments using chemistry. The ornaments include crystal snowflakes, silver glass balls, copper plated decorations, atom ornaments, and more.

How To Grow a Borax Crystal Snowflake
It's easy to grow your own sparkling clear or colored borax crystal snowflakes. Here's what you do.

Chemistry Pick Up Lines
The best chemistry pick up line is sure to set off the reaction for chemical attraction! Here is a collection of cute, corny, funny, and possibly even effective chemistry pick up lines.

What Is a Pure Substance? (Chemistry Definition)
This is the definition of pure substance along with examples of things that are pure substances (and ones that aren't).

pH and pKa Relationship - Henderson-Hasselbalch Equation
pH and pKa are ways to express strength of acids. Here's the relationship between the two values and how to use the Henderson-Hasselbalch equation.

Examples of Covalent Bonds
These are examples of covalent bonds and covalent compounds and an explanation of the type of atoms expected to form this type of chemical bond.

Combustion Reactions
This is an overview of combustion reactions, including what they are, the general format for the reaction, and examples of combustion reactions.

10 Interesting Arsenic Facts
Arsenic is best known as a poison, but there there's more to know about this element. Here are 10 interesting arsenic facts.

Arsenic Facts: Chemical & Physical Properties
Get periodic table facts on the chemical and physical properties of the element arsenic.

Aluminum Salt Solutions - Lab Recipes for Solutions of Inorganic Aluminum Salts
These are lab recipes for the preparation of inorganic aluminium salt solutions.

How Much Does a Gallon of Water Weigh?
Have you ever wondered how much a gallon of water weighs? Here's the example, plus an explanation of how to calculate the weight.

Ology List of Sciences - P to Z
This is a list of science disciplines, as indicated by having the -ology suffix. Here is the list of ologies P-Z. Page 3.

Ology List - Sciences and Scientific Disciplines
An ology is a discipline of study, as indicated by having the -ology suffix. This is a list of science ologies.

Ology List of Sciences - F to O
An ology is a discipline of study, as indicated by having the -ology suffix. This is a list of science ologies F-O. Page 2.

10 Radon Facts
How much do you know about the element radon? Here are 10 radon interesting radon facts and an explanation of why this element is hazardous.

Why Is There White Meat and Dark Meat Turkey?
You can get white meat or dark meat turkey and chicken, but do you know what causes the meat to be different? Here's a look at how white meat and dark meat works.

Alcohol Proof
Get the definition of alcohol proof. An explanation of proof, examples, and comparison of types of alcohol is included.

How Can You De-Ice Your Windshield?
You can use household chemicals to de-ice your windshield. Here are tips and tricks for removing ice ice from your car's windshield or preventing it from forming in the first place.

How to Convert Celsius to Kelvin
Celsius and Kelvin are two important temperature scales. It is easy to convert Celsius to Kelvin with these steps.

Tattoo Ink Chemistry
Have you ever wondered about the ingredients in tattoo ink? Take a look at the chemical composition of tattoo ink and the compounds that produce colors.

What Is the Difference Between Accuracy and Precision?
This is an explanation of the difference between accuracy and precision. Examples of accuracy and precision are also provided.

Make Your Own Snowglobe - Household Chemistry Projects
Make your own snow globe using common household materials.

How Much of Your Body Is Water? What Percentage?
Have you ever wondered how much of your body is water? The percentage of water varies according to your age and gender. Here's a look at how much water is inside you.

How to Remove Fluoride from Drinking Water
Learn how to remove fluoride from drinking water and how to reduce your exposure other ways.

Why Does Radioactive Decay Occur?
Some elements undergo radioactive decay. Take a look at the science explaining why radioactive decay occurs.

Does Eating Turkey Make You Sleepy?
Find out why everyone wants to take a nap after the big Thanksgiving Day feast. Let's talk turkey and learn about L-tryptophan and carbohydrate metabolism.

Calculating Compound Empirical & Molecular Formula
This step by step tutorial shows how to calculate the empirical and molecular formulas for a compound. Empirical formula is the simplest whole number ratio while molecular formula is the actual whole number ratio between the elements.

10 Facts About Zinc
Here are 10 interesting facts about zinc, a metallic element sometimes known as spelter.

Crystal Meth Facts - Methamphetamine Information
Need crystal meth facts? Learn what crystal meth is, why people takeit, how it's made, and what risks are associated with using methamphetamine.

How To Define Anode and Cathode
Here is how to define anode and cathode and how to tell them apart. There's even a mnemonic to help keep them straight.

Name 10 Examples of Physical Changes
Physical changes involve a new form or shape of matter, but no chemical reaction. This is a list of 10 examples of physical changes.

Green to Red Color Change Christmas Chemistry Demonstration
Learn how to perform a Christmas chemistry demonstration where a solution color changes from green to red and back using indigo carmine indicator.

Balancing Chemical Equations
Balancing chemical equations is a key chemistry skill. Use these step by step instructions to write and balance chemical equations.

Colored Fireworks Rainbow Demonstration
Make a colored fireworks rainbow. Burn the same chemicals used to color fireworks, in a row to produce a rainbow effect.

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

Examples of Physical Changes and Chemical Changes
Here are some examples of physical changes and chemical changes, along with an explanation of how you can tell physical and chemical changes apart.

Chemical Kinetics Definition
This is the definition of chemical kinetics or reaction kinetics and an explanation of how it is used to determine rates of chemical reactions.

Thanksgiving Chemistry
Are you looking for some chemistry associated with the Thanksgiving holiday or just some fun chemistry projects you can do on Thanksgiving? Here is a collection of Thanksgiving content all related to chemistry. Happy Thanksgiving!

Thanksgiving Chemistry
Are you looking for some chemistry associated with the Thanksgiving holiday or just some fun chemistry projects you can do on Thanksgiving? Here is a collection of Thanksgiving content all related to chemistry. Happy Thanksgiving!

10 Copper Facts
Get interesting copper facts and learn about the properties, history, and uses of this interesting metallic element.

Copper Facts: Chemical and Physical Properties
Get periodic table facts on the chemical and physical properties of the element copper.

Is Vitamin C an Organic Compound?
Learn whether ascorbic acid or vitamin C is an organic compound or an inorganic compound and how you can tell.

Silver Tree Chemistry Demonstration
In this simple chemistry demonstration you'll grow a silver crystal tree. It's the perfect chemistry project for Christmas!

Christmas Chemistry Projects and Topics
Are you looking for a way to add some chemistry to the Christmas holiday? Here's a collection of Christmas chemistry projects and a look at topics relating to Christmas and other winter holidays.

Christmas Chemistry Projects and Topics
Are you looking for a way to add some chemistry to the Christmas holiday? Here's a collection of Christmas chemistry projects and a look at topics relating to Christmas and other winter holidays.

Simplest Formula From Percent Composition - Sample Problem
This is a worked example chemistry problem to calculate the simplest formula from the percent composition.

Simplest Formula from Percent Composition - Worked Example Problem for Simplest Formula
Here is a worked example chemistry problem to calculate the simplest formula from the percent composition. This also shows the solution and answer. Page 2.

Name 5 Common Acids Found in the Home
Acids are common chemicals. Here is a list of 5 acids found in the home.

How to Make Glow In the Dark Ink
These are instructions for making a glow in the dark ink that truly glows in an eerie green color.

Stereochemistry Definition
This is the definition of stereochemistry.

Easy Glowing Slime Recipe
You only need 2 ingredients to make this non-toxic glowing slime. Here's what you do.

Famous Scientist Pictures - J Names
Here is an alphabetical index of photos of famous scientists who have last names beginning with the letter J.

Mad Scientist Invitations
Make your own customized invitations for a mad scientist party.

Mad Scientist Party Food
Make weird and interesting food for your mad scientist party.

Mad Scientist Party Activities
What will you do at a mad scientist party? Here are some ideas for interesting activities.

Mad Scientist Party Favors
Make or buy interesting party favors for guests to take home after a mad scientist party.

Mad Science Party Theme for Fun and Education
A mad scientist party is a fun and educational party theme, ideal for birthdays and Halloween. Get ideas for invitations, decorations, costumes, food and drink, cakes, mad scientist experiments and other activities, and party favors.

Mad Scientist Costumes
Make your own costumes for a mad scientist party.

Mad Scientist Decorations
Here are decorating ideas for a mad scientist-themed party.

Mad Scientist Cakes
What's a party without cake? Here are some cool cakes for a mad scientist-themed party.

Mad Scientist Party Drinks
Make glowing, bubbling, or otherwise bizarre drinks for your mad scientist party.

How To Handle Dry Ice Safely
Get safety tips for obtaining, transporting, and using dry ice safely, including ways to extend how long dry ice lasts and prevent burns and explosions.

Decorate an Eyeball Cake
Bake and decorate a creepy eyeball cake for Halloween, birthday or fun science parties. It's very easy!

Laundry Detergent Glowing Skull
If you have laundry detergent, you can make a glowing skull that you can put on your sidewalk or window that will glow blue at night. Here's how you do it.

How to Make a Glowing Ice Crystal Ball
This glowing crystal ball is easy to make, plus the light is sealed so you can float the glowing crystal ball or use it as a safe decoration.

Exergonic Definition
This is the definition of exergonic along with examples of exergonic reactions.

Famous Female Chemists and Chemical Engineers
Women have made many important contributions to the fields of chemistry and chemical engineering. Here's a list of female scientists and a summary of the research or inventions that made them famous.

Women in Chemistry - More Famous Female Chemists & Engineers
Here's a list of female scientists and many of their important contributions to the fields of chemistry and chemical engineering. This list includes Lise Meitner to Chen Zhao. Page 2.

6th Grade Science Test - Test Your 6th Grade General Science Knowledge
Test your 6th grade general science knowledge with this quiz- Ball sitting at the top of the stairs.

Periodic Table of the Elements - Atomic Mass Significant Figures
This color periodic table contains the atomic weights of each element as accepted by the IUPAC in 2013. This page includes downloadable tables with black or white backgrounds.

October 11 Science History
Read about the history of science by reading about the significant scientific events that took place on October 11th.

May 5 Science History
Learn about the history of science by reading about the significant scientific events that took place on May 5, including the first American to be enter space in 1961.

May 29 Science History
Learn about the history of science by reading about the significant scientific events that took place on May 29th, including the verification of Einstein's theory of relativity.

March 4 Science History
Read about the history of science by reading about the significant scientific events that took place on March 4th, which includes the first use of Carbon-14 dating.

March 30 Science History
Learn about the history of science by reading about the significant scientific events that took place on March 30th, which includes the first record of Halley's Comet.

March 27 Science History
Read about the history of science by reading about the significant scientific events that took place on March 27th.

March 26 Science History
Learn about the history of science by reading about the significant scientific events that took place on March 26th.

March 22 Science History
Learn about the history of science by reading about the significant scientific events that took place on March 22nd, including many births of different scientists.

April 15 Science History
Learn about the history April 15 by reading about the significant scientific events that took place on this day in history, which includes when Da Vinci was born.

April 30 Science History
Learn about the history of April 30 by reading about the significant scientific events that took place on this day in history.

April 28 Science History
Learn about the history of science by reading about the significant scientific events that took place on April 28th in history.

March 12 Science History
Read about the history of science by reading about the significant scientific events that took place on March 12th, including when many scientists were born.

March 10 Science History
Learn about the history of science by reading about the significant scientific events that took place on March 10th, including the first successful phone call.

June 28 Science History
Learn about the history of science by reading about the significant scientific events that took place on June 28th.

June 15 Science History
Read about the history of science by reading about the significant scientific events that took place on June 15th.

July 10 Science History
Learn about the history of science by reading about the significant scientific events that took place on July 10th, including the birth of Nikola Tesla.

February 4 Science History
Learn about the history of science by reading about the significant scientific events that took place on February 4th.

February 27 Science History
Learn about the history of science by reading about the significant scientific events that took place on February 27th, including when Aspirin was patented.

February 24 Science History
Learn about the history February 24th by reading about the significant scientific events that took place on this day, including when the Gregorian calendar was created.

February 12 Science History
Learn about the history of February 12th by reading about the significant scientific events that took place on this day, including when NEAR landed on an asteroid.

Famous Scientist Pictures - Last Names Starting with B
This is an alphabetical index of photos of famous scientists with last names starting with

Absorption Spectrum - Chemistry Glossary
What is the absorption spectrum as used in chemistry?

February 10 Science History
Learn about the history February 10th by reading about the significant scientific events that took place on this day, including births and deaths of various scientists.

Famous Scientist Pictures - Last Names Starting with E
This is an alphabetical listing of pictures of famous scientists with last names starting with the letter

Famous Scientist Pictures - Starting With A
This is an alphabetical index of photos, portraits and other pictures of famous scientists with last names starting with

Dependent Variable - Definition of Scientific Terms
What is a a dependent variable in a scientific experiment? This article describes and gives examples of dependent and independent variables.

Absinthe Chemistry and Recipes
Learn how to make absinthe, and about the liqueur's history and chemistry.

How to Make Absinthe
Learn how to make absinthe, and about the liqueur's history and chemistry. Page 2.

Absinthe Chemistry and Recipes
Learn how to make absinthe, and about the liqueur's history and chemistry. Page 3.

How to Drink Absinthe
Learn about the traditional ritual for serving absinthe, using ice-cold water and a sugarcube with a slotted spoon. There are many variations on the method as well. Page 4.

Red Mercury - Thoughts and Speculation about Red Mercury
Get information about red mercury, fission and fusion. Thoughts and speculation on red mercury, written by Wm Yerkes.

Red Mercury
Thoughts, speculation and more information on red mercury, fission and fusion written by Wm Yerkes. Page 2.

Chemistry Scavenger Hunt - Answers
A chemistry scavenger hunt is an educational game where you find items that match a description. Here's a list of chemistry scavenger hunt clues and items that match. Page 2.

Chemistry Scavenger Hunt
A popular educational game is a chemistry scavenger hunt where you find items that match a description. Here's a list clues and items that students can match.

Atoms and Atomic Theory - Study Guide
Learn about atoms and the basics of atomic theory, work problems to test your skill, then take a quiz to make sure you understand the concepts.

Atomic Theory Study Guide - Important Facts
Learn about the particles that make up all matter- atoms. Here are some useful facts about atoms and the basics of atomic theory. Page 2.

Atoms and Atomic Theory - Study Questions & Answers
Work on some practice problems to test your understanding of the concepts of atomic theory. This page also provides the answers along with the quiz. Page 3.

April 6 Science History
Learn about the history of April 6th by reading about the significant scientific events that took place on this day, which includes when Pioneer 11 Spacecraft was launched.

3 Types of Intermolecular Forces
Learn what intermolecular forces are, understand the 3 types of intermolecular forces, and get examples of each type.

Hydrometer Definition
This is the definition of hydrometer along with examples of the instrument's uses and an explanation of how a hydrometer works.

Scientist and Mad Scientist Halloween Costumes
Learn how to make your own science Halloween costumes. Be a scientist, mad scientist, evil genius or chemist.

Glowing Hand of Doom Punch - Halloween Punch Recipe
Glowing Hand of Doom punch is great for Halloween or mad scientist parties. Here's how to make a glowing hand rise from the punch, which bubbles and makes fog.

Homemade Non-Toxic White Face Paint Recipe
Many commercial face paints contain undesirable chemicals. Here is a recipe for a homemade white face paint that uses natural, non-toxic ingredients.

Eutectic Definition and Examples
This is the definition of the term eutectic, including eutectic systems and temperature. Several examples are also included.

What Is a Phase Diagram?
This is the definition of phase diagram along with an illustration of a typical diagram.

How to Foam at the Mouth
Do you want to foam at the mouth, without having rabies or being poisoned? You can perform a safe chemical reaction that makes you foam at the mouth.

Isomerization Process Definition
This is the definition of the isomerization process along with examples of this protocol.

Naphthenes Definition
This is the definition of naphthenes along with examples of this important class of chemical compounds.

Carboxylation Definition
This is the definition of carboxylation, an example of a lab protocol, and a carboxylation reaction example.

Steric Number Definition
This is the definition of steric number along with examples of how to determine its value. A summary of VSEPR geometry is provided.

Formulas of Common Acids and Bases
Here are the names and formulas of some of the common acids and bases.

What Is the Difference Between a Cation and an Anion?
Cations and anions are both ions. The difference between a cation and an anion is the net electrical charge of the ion. Here is how to tell them apart.

How To Make a Crystal Skull
Learn how to make your own crystal skull, for Halloween or just decorating your space. It's an easy crystal growing project that produces an interesting conversation piece!

Austenite Definition
This is the definition of austenite, along with an example and a discussion of the austenitic transition.

Make a Halloween Pumpkin With Red Fire
Make this Halloween special by making a jack o' lantern that shoots out red fire. It's an easy effect that's perfect for demon or dragon pumpkins.

How Smoke Machines Work
Have you ever wondered how smoke machines work or wanted to make your own smoke or fog? Here's your chance to find out how smoke machines work.

Atomized Glycol Fog - Smoke MacHine Chemistry
Have you ever wondered how smoke machines work or wanted to make your own smoke or fog? Here's your chance to find out how it works. There are separate sections for each type of non-toxic smoke generator, together with important safety tips. Page 3.

Water Vapor Fog
Have you ever wondered how smoke machines work or wanted to make your own smoke or fog? Here's your chance to find out how it works. There are separate sections for each type of non-toxic smoke generator, together with important safety tips. Page 4.

Liquid Nitrogen Fog
Have you ever wondered how smoke machines work or wanted to make your own smoke or fog? Here's your chance to find out how it works. Page 2.

How to Make a Giant Bubble Using Dry Ice
The giant bubble you can make using dry ice and bubble solution resembles a crystal ball. This is an easy and spectacular science project.

Goldenrod Bleeding Paper
This special paper drips blood! If you prefer, you can write a bloody secret message or create a bloody hand print.

Slime Science
Slime is fun to play with, but do you know how it works? Take a look at the science of slime to learn how it forms and why it has unique properties.

Viscosity Definition - Science and Engineering Glossary
This is the science and engineering definition of viscosity.

Carbon Dioxide Poisoning
You are exposed to carbon dioxide every day in the air you breathe and in household products, so you might be concerned about carbon dioxide poisoning. Here's the truth about carbon dioxide poisoning and whether it's something you need to worry about.

Cool Halloween Pumpkins and Jack o Lanterns
Take your Halloween jack o lantern or pumpkin to the next level with simple science-based special effects. This is a collection of interesting, freaky and cool Halloween jack o lantern ideas.

If You're not Part of the Solution...
This is an explanation of the chemistry one-liner: If you're not part of the solution, you're part of the precipitate.

Formula for Ice Chemistry Joke
If H2O is the formula for water, what is the formula for ice? Chemistry riddle.

What Do You Do With a Sick Chemist?
This is an explanation of the

Organic Chemistry Is Hard
Organic chemistry is hard. People who study it have alkynes of trouble. This is an explanation of the chemistry joke.

Why Did the White Bear Dissolve in Water?
Why did the white bear dissolve in water? Chemistry riddle.

Billy Was a Chemist's Son, Now Billy Is no More
This is an explanation of the chemistry rhyme: Billy was a chemist's son. Now Billy is no more. What Billy thought was H2O was H2SO4.

Organic Exams Are Difficult.
Organic chemistry exams are reknown for being difficult for students. Some may even feel they or their chances of a chemistry degree are dying (or diene) when they finish.

Ferrous Wheel
This is an explanation of a ferrous wheel, a humorous molecular structure.

If Silver Surfer and Iron Man Teamed Up...
If Silver Surfer and Iron Man teamed up, they'd be alloys: Chemistry joke.

What Do You Call a Fish Made of Two Sodium Atoms?
What do you call a fish made of two sodium atom? Chemistry riddle.

15 Fun Chemistry Jokes and Puns - With Explanations
This is a collection of chemistry jokes, riddles, and puns with explanations.

Why Can't You Trust Atoms?
Why can't you trust atoms? Chemistry riddle.

Why Are Chemists Great at Solving Problems?
Why are chemists great at solving problems? Chemistry Riddle

All the Good Chemistry Jokes Argon
I would tell you a chemistry joke, but all the good ones argon. Joke explanation.

Ether Bunny
This is the structure and explanation of the Ether Bunny chemistry joke.

12 Easy Chemistry Projects You Can Do at Home
Want to do a chemistry project but don't have your own laboratory? Here is a collection of experiments using common materials you have at home.

Make Hot Ice or Sodium Acetate at Home
You can make hot ice, a supercooled chemical solution, using common household kitchen ingredients.

Try the Burning Money Trick at Home
Try the burning money trick at home. Don't worry! The bill won't actually be burned.

Coffee Filter Chromatography at Home
Got coffee filters? Use them to separate pigments from candy or food color in this simple paper chromatography home science project.

Have a Baking Soda and Vinegar Foam Fight
Have a baking soda and vinegar foam fight in your bathroom, kitchen, or yard. It's easy and fun!

Make Slime
You can make slime easily at home using common ingredients.

Make a Borax Snowflake
Borax snowflakes are easy to grow crystal decorations you can make at home.

Make a Mentos and Diet Soda Fountain
A Mentos and diet soda fountain is a fun home science project. Here's what you do.

Explore Penny Chemistry
You can perform several safe science projects at home using pennies and common materials.

Make Homemade Invisible Ink
You can make your own invisible ink using any of a number of common household ingredients.

Make Colored Fire at Home
You can make a whole rainbow of colored fire colors using common household ingredients.

Make a Seven Layer Density Column
Make a colorful density column using common home ingredients.

Make Homemade Ice Cream in a Plastic Bag
Make ice cream at home in a plastic bag. You don't even need a freezer as long as you have ice and salt.

Potassium Chlorate Synthesis (Substitute) Formula
Potassium chlorate is an important potassium compound that can be used as an oxidizer, disinfectant, source of oxygen, and component in pyrotechnics and chemistry demonstrations. You can make potassium chlorate from common household bleach and salt substitute.

Wave-Particle Duality Definition
This is the definition of Wave-Particle Duality along with an explanation of why scientists know it to be true.

Fake Flesh Recipe
Use common kitchen ingredients to make non-toxic fake flesh or organs for Halloween or other parties.

How to Make a Kid's Scientist Halloween Costume
A scientist Halloween costume is not only very cool, but also easy to make and either free or else inexpensive.

Blue Ink Recipe - How to Make Prussian Blue Ink
You can prepare your own Prussian blue ink. This blue ink recipe is very easy and produces a beautiful ink for writing, drawing, or crafts.

Decorative Glow Stick Lanterns
Got a glow stick? Use it to make a bright and colorful decorative lantern to use around your home.

Self-Carving Exploding Pumpkin Jack o' Lantern
Can a pumpkin carve itself into a Halloween jack-o-lantern? It can if you pre-carve the face and use a chemical reaction for force the pieces of pumpkin out! Here's how to perform the self-carving exploding pumpkin demonstration.

How Nucleosynthesis Makes Elements
Learn what nucleosynthesis is, how it makes elements, and about the different types of nucleosynthesis that occur.

Make Your Hands Glow!
Give your hands or any other skin a ghostly blue glow! It's easy to do. All you need are safe chemicals you can find at the grocery store.

Rainbow Fire Halloween Jack-o-Lantern
Create a spectacular multicolored fire pumpkin for Halloween! This rainbow fire jack-o-lantern is easy to make.

What Is the Lightest Metal?
You may think of metals as heavy or dense, but some are lighter than water and some nearly as light as air. Take a look at the world's lightest metal.

How to Grow Blue Copper Sulfate Crystals
Copper sulfate crystals are the easiest and brightest blue crystals that you can grow. Here's how you can grow copper sulfate crystals yourself.

Recipes for Making Different Types of Slime
There's more than one way to make slime. Actually, there are lots of different recipes! Here are some of the best recipes for different types of slime, from normal slimy slime to eerie glow-in-the-dark slime.

Make Mood Ring Color Change Slime
It's easy to make mood ring slime that changes colors according to temperature. Here's a safe and simple thermochromic slime recipe to try.

Recipes for Making Different Types of Slime
There's more than one way to make slime. Actually, there are lots of different recipes! Here are some of the best recipes for different types of slime, from normal slimy slime to eerie glow-in-the-dark slime.

Calculate Theoretical Yield of a Chemical Reaction
Here's how to calculate theoretical yield or how much product will be produced with given quantities of reactants.

Thermometer Definition
This is the definition of thermometer and an explanation of how a thermometer for science differs from one used in medicine.

Soda Ash Definition
This is the definition of soda ash, along with other names for the chemical and a photograph of the pure compound.

Animals That Have Blue or Yellow Blood
Human blood is red, but some organisms have yellow blood or blue blood. Here is a look at which creatures have unusual colored blood or hemolymph and why it's different.

Words Made Using Periodic Table Element Symbols
Element symbols are abbreviations for elements on the periodic table. These are words made using the one- and two-letter chemical element symbols.

Recipe for Fake Blue or Green Blood
This is a recipe for an edible fake blood which you can color blue or green for insects, spiders, and other arthropods, or aliens.

What Happens If You X-Ray Metal?
Before you get an x-ray taken, the doctor will ask you to remove metal and whether you have implants. Here's why and how x-rays interact with metals.

Turn Water into Wine or Blood with Chemistry
Turn a clear liquid into a red liquid, then back to clear again. This demonstration can be used to demonstrate acid-base indicators.

MRI reaction with tattoos - Chemistry FAQs
Do you have a tattoo? Learn whether or not it can cause you problems if you get an MRI.

What Is a Chemical Element? - Examples
Learn what a chemical element is and get examples of elements.

How Is Gasoline Made? What Are Octane Ratings?
Learn how gasoline is made and how octane ratings are assigned.

Lewis Acid Definition
This is the definition of Lewis acid along with examples of electron pair acceptors.

Fire Point Definition
This is the definition of fire point as well as an explanation of the difference between fire point and flash point.

Chelate Definition
This is the definition of chelate in chemistry, along with examples of chelates and a list of their practical uses.

What Is a Second Order Reaction in Chemistry?
Here is an explanation of what a second order chemical reaction is and a list of ten example reactions that are second order reactions.

Chalcogen Definition
Get the definition of a chalcogen along with examples of elements which are chalgogens and also examples of chalcogenides.

Elementary Reaction Definition
This is the definition of elementary reaction along with examples of this type of chemical reaction.

Halloween Chemistry Demonstrations
Try a Halloween chemistry demo. Make a pumpkin carve itself, turn water into blood, or perform an oscillating clock reaction that switches between the Halloween colors of orange and black.

Examples of Good Chemistry Science Fair Projects
Stimulate your own idea for a chemistry science fair project by looking at examples of chemistry projects other students have performed.

Simple Hydrocarbon Chain Quiz
Can you identify the simple hydrocarbon chains based on the chemical structure? Here's a printable multiple choice quiz you can take to test yourself.

Chemistry Timeline - Chronology of Major Events
Chemistry Timeline - Chronology of Major Events - Science History. Page 3.

Chemistry Timeline - Chronology of Major Events
This is a timeline of important events in the history of chemistry.

Chemistry Timeline - Chronology of Major Events
Chemistry Timeline - Chronology of Major Events - Science History. Page 2.

Chronology of Major Events in Chemistry
Chemistry Timeline - Chronology of Major Events - Science History. Page 4.

Mass Relationships Chemistry Problem
Learn how to solve mass relationship problems in chemistry using this worked example problem for the synthesis of ammonia.

What Is the Coastal Dead Zone?
The coastal dead zone makes news headlines from time to time because it's implicated in fish death and may be a consequence of global warming and pollution. Do you know what the dead zone is?

Halloween Science Projects
Are you ready for some spooky science? These projects and experiments are just right for Halloween. Make your holiday educational as well as fun!

Dancing Ghost Halloween Science Magic Trick
This Halloween, make a paper ghost dance in the air, as if by magic! This is a simple and educational holiday science project.

Spinning Steel Wool Sparkler
Here's a fun fire project. Make a spinning steel wool sparkler using simple household materials. Take a picture and get a breathtaking photo!

Make a Glow in the Dark Pumpkin
You can make a glow in the dark pumpkin using a common non-toxic chemical. The jack-o-lantern doesn't require carving and it looks really spooky!

Is Deuterium Radioactive?
Deuterium is an isotope of hydrogen. Is it radioactive? Here's the answer.

What Shape Are Diatomic Molecules?
Many molecules are diatomic, meaning they consist of two elements. Diatomic molecules all have the same shape or geometry. Here's a look at what this geometry is and why all diatomic molecules are the same in this regard.

Metal Projects
There are many interesting chemistry projects you can do using metals and alloys. Here are some of the best and most popular metal projects. Grow metal crystals, plate metals onto surfaces, identify them by their colors in a flame test and learn how to use them to perform the thermite reaction.

How To Make Glow in the Dark Blood
You can make glow in the dark blood for a Halloween costume or just because you want to decorate yourself with glowing blood. Here are several recipes for non-toxic glow in the dark blood.

Mineral Photos - How to Take Great Photos of Minerals
Do you want to take great pictures of your mineral specimens? Here are some tips and tricks to help your mineral photos turn out looking wonderful.

Facts On Zirconium From the Periodic Table of Elements
Get periodic table facts on the chemical and physical properties of the element zirconium.

How to Make Nitrous Oxide Laughing Gas and Precautions
Nitrous oxide or laughing gas is one of the easiest gases to prepare in the chem lab or home lab. Here are instructions for synthesizing and collection nitrous oxide or laughing gas.

What Is Deliquescence? - Definition
This is the definition of deliquescence along with examples of the phenomenon.

Uranium Facts - Chemical & Physical Properties
Get periodic table facts on the chemical and physical properties of the element uranium.

Distilled Doesn't Mean Pure
You may think distilled water is some of the cleanest water you can get. However, distilled water may not be very pure at all. Here's why.

How to Take a Test
How you take a test is at least as important as your preparation for it. These tips can help you make the grade.

Basic Printable Color Periodic Table
This collection of printable periodic tables is optimized for printing on a standard 8 1/2 by 11 sheet of paper in landscape mode.

Black and White Printable Periodic Table
This printable periodic table has all the basic information necessary for a useful periodic table. It has each element's number, symbol, name and atomic mass.

White on Black Printable Periodic Table
This printable periodic table looks like a photographic negative of the typical periodic table.

Color Printable Periodic Table with Electron Shells
This downloadable color periodic table contains each element's atomic number, symbol, name, atomic weight and number of electrons in each shell.

Black and White Periodic Table with Shells
This downloadable black and white periodic table contains each element's atomic number, symbol, name, atomic mass and number of electrons in each shell.

Negative Printable Periodic Table with Shells
This white on black printable periodic table contains each element's atomic number, symbol, name, atomic mass and number of electrons in each shell.

Making Liquid Magnets With Ferrofluid
Make your own ferrofluid, or liquid magnet, which can be used with a magnet to change the liquid's density and to form spikes and other amazing shapes. Here are some activities involving ferrofluids.

Liquid Magnets - Procedure for Suspending Magnetite in a Carrier
Make your own ferrofluid, or liquid magnet, which can be used with a magnet to change the liquid's density and to form spikes and other amazing shapes. This is the procedure for suspending the magnetite in a carrier solution.

How to Synthesize Ferrofluid
Make your own ferrofluid, or liquid magnet, which can be used with a magnet to change the liquid's density and to form spikes and other amazing shapes.

How to Make Liquid Magnets - Materials and Safety
Make your own ferrofluid, or liquid magnet, which can be used with a magnet to change the liquid's density and to form spikes and other amazing shapes. This section details the materials needed and safety considerations.

How to Make Liquid Magnets - Procedure for Synthesizing Magnetite
Make your own ferrofluid, or liquid magnet, which can be used with a magnet to change the liquid's density and to form spikes and other amazing shapes. This is the procedure for synthesizing the magnetite used in the ferrofluid.

Chemical Engineer Salary and Experience
Chemical engineering is one of the highest paying degrees for entry level jobs, with even higher payscales for experienced chemical engineers. Here's a look at typical salary ranges for chemical engineers.

Azo Compound Definition
This is the definition of azo compound along with an example.

X-Ray Crystallography Definition
X-Ray Crystallography definition, as used in chemistry, chemical engineering, and physics.

Hydrogen Definition
This is the definition of hydrogen.

Geeks Versus Nerds - What's the Difference?
Geeks and nerds share common characteristics, but aren't the same thing! Take a look at the similarities and differences between a geek and a nerd.

Printable Periodic Table of the Elements: Abundance in Earth's Crust
This printable periodic table has the element's name, atomic number, atomic symbol and amount found naturally in the Earth's crust. This number is an average figure in milligrams per kilogram of Earth's crust. Colors show the different element groups.

Factors That Affect the Chemical Reaction Rate
Several factors affect the rate at which chemical reactions proceed. Understanding these factors will help you predict the direction and speed of a chemical reaction.

Gifts for Science Geeks and Nerds
Geeks and nerds rule! Here are gift ideas for chemists, physicists, and engineers, and anyone with an eye for the interesting and intriguing.

How to Do a Flame Test for Qualitative Analysis
Here's how to perform a flame test and how to interpret the colors you see. Use a flame test to identify a metal or ionic salt.

Photochemistry Definition
This is the definition of photochemistry along with examples of photochemical processes.

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

Dry Cell Definition
This is the definition of dry cell.

Racemic Definition
This is the definition of a racemic mixture or racemate.

Tautomer Definition
Tautomer definition, as used in chemistry, chemical engineering, and physics.

Glycosidic Bond Definition and Examples
This is the definition of glycosidic bond along with examples of this type of covalent chemical bond.

Balancing Redox Reactions - Balance the Atoms
Step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry. This step shows how to balance the half-reactions from the previous step.

Balancing Redox Reactions - Balance the Charge
Step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry. This step shows how to balance the total charge of the half-reactions.

How to Balance Redox Reactions
Get step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry.

Balancing Redox Reactions - Separate the Reactions
Step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry. This step shows how to set up the half-reactions in the example problem.

Balancing Redox Reactions - Add the Half-Reactions
Step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry. This step re-combines the two half-reactions to get one balanced whole reaction.

Balancing Redox Reactions - Check Your Work
Step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry.

Transmutation Definition and Examples
This is the definition of transmutation in science, with examples of how to transmute one element into another.

Periodic Table Chemistry Lesson Plan
This periodic table lesson plan helps students learn how to find information about the elements and compare and contrast element properties.

The Differences Between DNA and RNA
DNA and RNA both carry genetic information, but there are differences between them. This is a comparison of the differences between DNA versus RNA.

What is the Difference Between a B.A. and a B.S.?
Learn about the difference between a B.A. and B.S. degree and how to choose which degree is right for you.

DNA Definition and Structure
Get the definition of DNA or deoxyribonucleic acid and learn about DNA structure and the history of its discovery.

Stoichiometry Definition
This is the definition of stoichiometry with examples of stoichiometric calculations.

Molar Mass Calculation - Example Chemistry Problems
You can calculate the molar mass or mass of one mole of an element or molecule if you know the formula for the substance and have a periodic table. Here's what you do.

Crenation Definition and Example
Get the definition of crenation and an example of how the process works and where you might see it.

List of Common Blood Chemistry Tests
Blood chemistry tests are among the most common diagnostic tests performed to detect and diagnose illnesses. Here is a list and explanation of several blood tests.

Top Halloween Chemistry Projects
A little chemistry can add a lot of ghastly, ghostly effect to your Halloween celebration. Here's a look at some of the top Halloween projects you can do that apply your command of chemistry.

Top Halloween Chemistry Projects
A little chemistry can add a lot of ghastly, ghostly effect to your Halloween celebration. Here's a look at some of the top Halloween projects you can do that apply your command of chemistry.

How To Do the Gallium Beating Heart Demonstration
The gallium beating heart is a chemistry demonstration in which a drop of gallium is made to pulsate, like a beating heart. Here's how to perform this demo.

Difference Between Chemistry and Chemical Engineering
Learn about the differences between chemistry and chemical engineering in terms of degree requirements, careers, job outlook, and profitability.

Why Is Mars Red? - Color Chemistry
When you look up in the sky, you can recognize Mars by its red color. Yet, when you see photos of Mars taken on Mars, many colors are present. What makes Mars the Red Planet and why doesn't it always look red close-up? Here's the answer.

Caffeine Can Kill You
How much caffeine does it take to kill you? Here's a look at the toxicity of caffeine in coffee and other factors that could lead to your death.

Frankenworms Dancing Gummy Worms Science Experiment
Turn ordinary gummy worms into creepy Frankenworms in this easy science experiment. Baking soda and vinegar make gummy worms dance like they are alive.

Orange-To-Black (Halloween) Clock Reaction Demonstration
The Old Nassau or Halloween reaction is a clock reaction in which the color of a chemical solution changes from orange to black. Here's how you can do this reaction as a chemistry demonstration and a look at the chemical reactions that are involved.

Chemistry Nobel Prize Winners (1901 to Present)
This is a table of the winners of the Nobel Prize in Chemistry from 1901 to the present. A brief summary of the award-winning research is given.

2015 Nobel Prize in Chemistry for How DNA Repairs Itself
Here's a look at who won the 2015 Nobel Prize in Chemistry and why the research was so important.

Hypertonic Definition and Examples
Get the definition of hypertonic, along with examples and an explanation of the effects of hypertonicity.

Barometer Definition
This is the definition of barometer, a description of different types of barometers, and an explanation of how the instruments work.

Hard Water Definition
Get the hard water definition and learn why hard water is different from soft water and what this means for the home and lab.

What Is a Polynuclear Aromatic Hydrocarbon?
This is the definition of polynuclear aromatic hydrocarbon along with examples and and explanation why PAHs are so important.

Peroxide Definition
This is the definition of peroxide in chemistry, along with examples. While household peroxide is one type of compound, it is really just one of many!

What Is the Nobel Prize Medal Made Of?
The Nobel Prize medal looks like gold, but what is it really made of? Here's the answer to this common question about the composition of the Nobel Prize medal.

How Much Is the Nobel Prize Worth?
The Nobel Prize comes with a diploma, medal and cash award. Here is a look at how much the Nobel Prize medal is worth.

Bleach Facts
Get important facts about bleach including how it works as a cleaner and disinfectant.

Branched Chain Alkane Definition
Get the definition of a branched chain alkane or branched alkane, along with examples and uses of these important molecules.

Trans Isomer Definition
This is the definition of trans isomer along with examples and an illustration of what the trans configuration looks like.

Chemical Composition of Sterling Silver
Sterling silver is a popular metal for jewelry, silverware and decorations. Here is a look at the chemical composition of sterling silver.

Green Fire Whirlwind
It's easy to make your own tabletop fire whirlwind or twister. Spice it up a bit by using green fire!

Virtual Chemistry Text - Units & Measurements
Virtual Chemistry Text: Learn the basics about the units chemists and other scientists use to take measurements.

Flame Retardant People - PBDE Health Effects
Learn about the health effects of PBDE and whether we're making people flame retardant.

Realistic Stage Blood
You can make realistic non-toxic stage blood using common kitchen ingredients. This blood is thick enough to drip convincingly.

MCAT Study Guides
Find a study guide to help prepare for the Medical College Admission Test or MCAT. Good MCAT scores are an important aspect of a Medical School application!

Standard Molar Entropy
Learn what standard molar entropy is and how to predict whether a chemical reaction will cause a positive or negative delta S or change in entropy.

How Does the Fortune Teller Miracle Fish Work?
If you place the plastic Fortune Teller Miracle Fish in your hand it will bend and wiggle. Learn the science of how the Fortune Teller fish works.

Reasons Why Homework Is Good (and Bad)
Here's a look at the best reasons why homework is good, especially for sciences like chemistry.

What Is the Most Metallic Element?
Learn about the most metallic element and the metallic properties of the elements.

Henry's Law Example Problem - How to Calculate
This example problem demonstrates how to use Henry's Law to calculate the concentration of a gas in solution under pressure.

Why You Shouldn't Mix Bleach and Ammonia
Mixing bleach and ammonia is extremely dangerous, since toxic vapors will be produced. Here are the chemical reactions involved and first aid advice.

How Blue Lava Works
Have you seen the images of blue lava from the Indonesian volcano? It's not actually lava at all and you don't need to travel to Indonesia to see it.

The Difference Between Independent and Dependent Variables
The difference between independent and dependent variables in a scientific experiment is which variable is being measured. Here's an explanation of how to tell these critical variables apart.

How to Convert Kelvin to Celsius
It is easy to convert Kelvin to Celsius with these steps.

What Is Absolute Zero?
Learn about absolute zero and the Kelvin and Celsius temperature scales.

Ounces To Grams Unit Conversion Example
This clearly-worked example problem and solution demonstrates the mathematical formula used to convert ounces to grams.

What Would Happen If Earth's Atmosphere Vanished?
Have you ever wondered what would happen if Earth's atmosphere suddenly vanished? Would life survive? Would humans? Here's the answer.

Periodic Table Trends
It's called a periodic table for a reason. The table part is pretty obvious, but can you name the periodic table trends? Here's an explanation of periodicity.

What Is Dry Ice?
Do you know what dry ice is? Learn about dry ice and find fun projects that use solid carbon dioxide.

Nitrogen in Tires
Have you ever wondered why some people put nitrogen in their tires and whether it's worth it? Here's the answer and the scientific explanation.

What Happens If You Microwave Liquid Nitrogen?
Have you ever wondered what would happen if you microwaved liquid nitrogen? Here's the answer to the question and an explanation of what's going on.

Clinical Experience and Medical School Application
This article explains what clinical experience is, why you need it before applying to medical school, as well as when and how to get it.

The AMCAS Application for Medical School
Get information about completing the AMCAS application for medical school. Learn about the importance of the AMCAS and what you'll need in order to complete the form.

Famous Chemists - Last Names Starting with A
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 A.

Tips To Make Hot Peppers Stop Burning
If the heat from hot peppers is burning your hands or mouth, try these tips to soothe the burn. I've also got a list of things that worsen the pain.

Is It Safe To Drink Deionized Water?
Have you ever wondered whether it's safe to drink deionized water, otherwise known as DI water? It's not a good idea to drink it. Here's why.

Make Ammonia
Chemistry.

Make Silica
Chemistry.

Make Ammonium Nitrate
Chemistry.

Make Carbon Dioxide
Chemistry.

Make Chlorine Gas
Chemistry.

How To Make Pure Alcohol
Chemistry.

Distill Your Own Water
Chemistry.

Make Hydrogen Gas
Chemistry.

Make Your Own Chemicals
You can make your own chemicals for science experiments. Here's a look at some of the most useful and common chemicals to make yourself.

Make Copper Sulfate
Chemistry.

Make Homemade Diesel
Chemistry.

Make Potassium Nitrate or Saltpeter
Chemistry.

How to Make Glow in the Dark Ice
Glow in the dark ice is really easy to make. How did I do it? Here's the simple explanation and tips for getting the best glow.

Atomic Number 6
Learn about the element that is atomic number 6 on the periodic table. See forms of carbon, get interesting facts, and learn about its properties.

How to Make a Flammable Gel or Jelly
Use three common household ingredients to prepare a gel or jelly that you can set on fire. This is an easy fire chemistry project that you can do at home.

Make a Cold Pack from Hot Ice
There are a few different ways you can make your own chemical cold pack. Here is how to make a cold pack using sodium acetate or hot ice.

Counterterrorism Chemistry
Chemistry tends to be more associated with terrorism than fighting it, yet counterterrorism relies on chemistry and chemical reactions. Here's how.

Atomic Number 5 Element Facts
Learn about the element that is atomic number 5 on the periodic table. Get facts, interesting trivia, properties, and uses of boron.

Cool Dry Ice Projects
Dry ice is solid carbon dioxide. Do you have some dry ice? Here's a big list of cool things you can do with it.

Cool Dry Ice Projects
Dry ice is solid carbon dioxide. Do you have some dry ice? Here's a big list of cool things you can do with it.

Native Elements List
Native elements occur in relatively pure form in nature. This is a list of native elements, including metals and nonmetals, and also native alloys.

Atomic Number 16
Learn about the element that is atomic number 16 on the periodic table. Here are fun facts about the element sulfur.

Solid Perfume Recipe - Make Your Own
Solid perfume is easy to make, plus it's practical. Solid perfume won't spill. It doesn't contain alcohol, which makes this a good perfume project.

Science Fair Project Books
These are top ranking science fair project books.

AP Chemistry Study Guides
I got an email from a student who was finding AP chemistry to be frustrating and not as fun as the high school chemistry she took as a junior. That's sort of an

Make Your Own Crystal Geode Project
Natural geodes are hollow rock formations that contain deposits of crystals. Assuming you don't have a geological timeframe to obtain a geode, it's easy to make your own crystal geode using plaster of paris, alum, and food coloring.

How To Make Distilled Water
These are step-by-step instructions for several methods of making distilled water at home.

Top Chemistry Sets
Find a perfect chemistry kit for your interests, age, and experience level.

Make-Your-Own Laundry Detergent Recipe
It's easy to make your own laundry detergent, plus the cost of using it is about a tenth the price of using store-bought laundry detergent. Here's how you make this cleaner yourself.

Magic Rocks Crystal Growing Kit Review
Magic Rocks are a classic instant crystal growing kit. Are Magic Rocks worth trying? Here's a review of the kit.

How To Make Chemical Snow - Calcium Silicate Crystals
This is a recipe for chemical snow. This is a dry snow made from calcium silicate crystals. It's a fun crystal project or useful if you want snow that won't melt!

Reference Books Every Chemist Should Own
There are some reference books I reach for again and again. If your personal library doesn't include these books, maybe it's time to add them.

Crystal Growing Kits
These are chemistry kits specifically designed for growing crystals! Crystals sets are available for all ages and education levels.

How To Grow Sulfur Crystals
Grow sulfur crystals from melted sulfur.

Chemistry Holiday Gift Guide
Are you looking for a chemistry toy or gift for yourself or that special someone? Here's a list of ideas of chemistry toys and gifts. All of these chemistry-related products are available online, so you don't even need to go out shopping (though many of them are available in stores, too).

Elements in the Human Body
Here is a list of the elements in the human body according to their abundance.

How to Make a Smoke Bomb
Learn how to make a smoke bomb. This is the list of materials required for making your own smoke bomb.

Make a Mixture and a Compound from Iron and Sulfur
Combine iron and sulfur to make a mixture and then react them to form a chemical compound. It's an easy chemistry project that shows the difference.

J.J. Thomson Biography
J.J. Thomson is the scientist who discovered the electron. Here is a brief biography of Thomson and interesting facts about the man.

Smithsonian Crystal Growing Geodes Kit Review
You can grow 'frosty diamonds' and 'purple amethyst geodes' with the Smithsonian Crystal Growing Geodes kit. Here's my review of this popular crystal growing kit.

Atomic Number 12
Learn about the element that is atomic number 12 on the periodic table.

What Is the Mpemba Effect?
Have you ever wondered whether hot water really can freeze more quickly than cold water and if so, how it works? If so, then you need to know about the Mpemba Effect.

Learn About Electronegativity and Chemical Bonding
Learn about electronegativity, the trends of electronegativity for elements in the periodic table, and how electronegativity relates to chemical bonding.

What Is the Most Reactive Metal on the Periodic Table?
Learn which is the most reactive metal on the periodic table and how to use the metal activity series to predict reactivity.

Atomic Number 11
Learn about the element that is atomic number 11 on the periodic table, including its chemical and physical properties, uses, and interesting facts.

Beer Chemistry - What You Need To Know
If civilization ended right now, could I still make beer? Learn about how beer is brewed and what is required to make this popular alcoholic beverage.

How to Build a Bomb - Feinstein Amendment SP 419
Learn about Feinstein Amendment SP 419 as it relates to the distribution of bomb-making instructions.

Heavy Water Facts
Heavy water is deuterium oxide. Get facts about heavy water, including its chemical and physical properties.

Regelation
Learn about what regelation is, how it works, and see examples of regelation.

Melting Definition in Chemistry
This is the definition of melting, along with an example.

Light Rare Earth Elements (LREE)
Learn about the light rare earth elements or LREE, including a list of elements, a summary of their common properties, and some of their uses.

Dubnium Element Facts
Dubnium or Db is a superheavy radioactive metal. Here are interesting dubnium element facts.

Fermium Facts - Periodic Table of the Elements
Fermium is a heavy, radioactive metal. Here are interesting facts about the element fermium or Fm.

Gadolinium Facts
Gadolinium is a light rare earth element. Get interesting gadolinium element facts and learn about the properties of this metal.

Hassium Facts - Periodic Table of the Elements
Hassium is a heavy, radioactive metal. Here are interesting hassium facts, including its chemical and physical properties.

Lutetium or Cassiopeium Element Facts
Lutetium is a silvery rare earth element. Here is a collection of interesting facts and properties for this metal.

Promethium Facts - Periodic Table of the Elements
Promethium is a heavy, radioactive rare earth element. Here are interesting facts and the chemical and physical properties of the element promethium.

Samarium Facts - Periodic Table of the Chemical Elements
Samarium is one of the most interesting rare earth elements. Here is a collection of cool samarium facts and properties.