Chemistry Sitemap - Page 5 2016-09-26

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Best of Chemistry Cat - Science Meme
This is a collection of the best of the Chemistry Cat meme, including the original meme so you can add your own annotation.

Sublimation Definition (Phase Transition in Chemistry)
This is the sublimation definition as the term applies to a phase transition in chemistry. Examples of sublimation are provided.

Ideal Gas Law Example Problem
This example uses the ideal gas law to determine the number of moles of an ideal gas where pressure, volume and temperature are known.

Recycling Old Paper to Make Beautiful Handmade Paper
Make beautiful paper from recycled scraps. This is a fun craft that teaches about recycling while making a useful handmade product.

How To Make a Patriotic Colors Density Column
This red, white, and blue density column is a fun way to show your patriotism with a flair for chemistry. It uses readily available materials.

Red White and Blue Shooter Recipe
Make a density column that's a layered cocktail. It's perfect for July 4th, Memorial Day, or any holiday with a red, white and blue theme.

Red, White and Blue Electrolysis Chemistry Demonstration
Here is a perfect electrochemistry demo for July 4th or other patriotic holiday! The demonstration turns chemical solution red, white and blue.

Easy 4th of July Mocktail (Density Science Project)
Use science to make a refreshing red and blue layered 4th of July or Memorial Day drink. This is a type of density column you can drink.

How TNT Pop Its Snappers Work
Pop Its are paper-covered rocks that you step on or throw so they explode or pop. Here's the scientific explanation of how these tiny fireworks work.

Will We Run Out of Helium One Day?
Helium is a nonrenewable resource that is rare on Earth. Here's a look at whether we'll run out of this element.

Understand Graham's Law of Diffusion and Effusion
Graham's law expresses the relationship between the rate of diffusion or effusion of a gas and its molar mass. Here's how the law works in chemistry.

Helium Squeaky Voice: How to Do It Safely
If you breathe in helium and talk you will have a squeaky voice. Learn how to do the helium voice experiment safely and find out how helium voice works.

Examples of Diffusion
This is a list of examples of diffusion, on mechanism of chemical transport.

Why Does Ice Float?
Ice floats on water. Have you ever wondered why? Learn about hydrogen bonding and density to understand why ice floats.

How To Separate Salt and Sand
Apply basic chemistry principles to separate salt and sand, a common mixture found in real-life production of salt.

Specific Heat Worked Example Problem
This worked example problem demonstrates how to calculate the specific heat of a substance given the energy used to change its temperature.

How to Calculate Volume Percent Concentration
Learn what volume percent or volume-volume percent concentration means and how to calculate volume percent when preparing a solution.

Phlogiston Theory in Early Chemistry History
Phlogiston theory was an early explanation for combustion. Learn what phlogiston, dephlogistated air, and calx were and why we don't believe in them.

Saturated Definition - Chemistry Glossary
Here are the definitions of saturated in chemistry, along with examples of what the terms mean in this context.

Law of Constant Composition Definition
Here is the law of constant composition chemistry definition, along with examples of how it works.

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Mineral Photo Gallery and Chemical Composition
Welcome to the mineral photo gallery. Minerals are natural inorganic chemical compounds. These are photographs of minerals, along with a look at their chemical composition.

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Mineral Photo Gallery and Chemical Composition
Welcome to the mineral photo gallery. Minerals are natural inorganic chemical compounds. These are photographs of minerals, along with a look at their chemical composition.

Introduction To Stoichiometry
Here's an explanation of what stoichiometry is, the types of problems it covers, and why it is important to understand it.

Valence Definition in Chemistry
Here is the definition of valence in chemistry, along with examples of valences of atoms of elements.

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Glowing Radioactive Materials Photo Gallery
See the glow from radioactive materials in this photo gallery.

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Nuclear Tests Photo Gallery
This photo gallery showcases nuclear tests including atmospheric nuclear tests and underground nuclear tests. Related photos are also included, such as of test site preparation and equipment.

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Trinity Explosion - First Nuclear Test Photo Gallery
The Trinity explosion marked the first successful detonation of a nuclear device. This is a photo gallery of historic Trinity explosion images.

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Nonmetals Photo Gallery
See examples of the members of the nonmetal element group and learn about the periodic properties of the nonmetals.

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Science Major Mouse
Science major mouse is a small white mouse with all the trials and tribulations of a college science major. This gallery shows the best of the science major mouse meme.

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Functional Groups
Functional groups are groups of atoms found within molecules that are involved in the chemical reactions characteristic of those molecules. Functional groups can pertain to any molecules, but you will usually hear about them in the context of organic chemistry. The symbol R and R' refer to an attached hydrogen or hydrocarbon side chain or sometimes to any group of atoms.

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Alkali Metals Photo Gallery
See examples of the members of the alkali metals element group and learn about the periodic properties of the alkali metals.

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Halogens Photo Gallery
See examples of the halogen elements and learn about the periodic properties of the halogens.

Why Do Ping Pong Balls Burn? Chemistry Q&A
If you take a lighter to a ping pong ball, it will burst into flame. Do you know why ping pong balls burn? Here's the answer.

Why Ping Pong Balls Are Flammable
Ping pong balls or table tennis balls are extremely flammable. Here is the reason why they burn so well.

Ingredients in Rubbing Alcohol (Chemical Composition)
Rubbing alcohol is used for disinfection and soothing, cooling relief for aching muscles or hot skin. Here is a look at the chemical composition of rubbing alcohol.

Grow Sugar Crystals - Make Your Own Rock Candy
These are step by step instructions for growing your own sugar crystals or rock candy, which you can eat!

9 Worst Lab Smells - Stinky Laboratory Chemicals
Science experiments don't always smell pretty! Here's a look at some of the worst smells you might encounter in a lab.

Valence Electron - Chemistry Glossary Definition
This is the definition of a valence electron in chemistry as well as examples of how to determine how many valence electrons an atom has.

Valences of the Elements - Chemistry Table
This is a table of element valences, including the maximum valence and most common valence values.

What Is the Hardest Chemistry Class?
Students agree studying chemistry isn't easy, but which course is the hardest? Here are difficult chemistry courses and why you want to take them.

Why Is Studying Chemistry Important?
There are lots of reasons why you should study chemistry, even if you aren't interested in science or want a job in chemistry. Here are reasons to study chemistry.

What Is a Scientific Variable? (The Scientific Method)
Here is an explanation of what a scientific variable is and the different types you may encounter in an experiment using the scientific method.

6 Steps of the Scientific Method
This is a list of the 6 steps of the scientific method, with explanations of each step of the process.

How Much Does a Cloud Weigh?
How much does a cloud weigh? Even though clouds float in the air, they have mass, and a lot of it! Here's how to calculate the weight of a cloud.

Monoprotic Acid - Definition in Chemistry
This is the definition of monoprotic acid in chemistry, along with examples of representative acids.

Mass Percentage - Definition and Example
This is the chemistry glossary definition of mass percentage, with the mass percent formula and an example calculation.

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Flame Test Colors - Photo Gallery
If you're performing the flame test, it helps to know what the colors look like. Here's a photo gallery of flame test colors to compare your results.

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What Are the First 20 Elements? - Names and Symbols
Here are the first 20 elements of the periodic table, their atomic numbers, and the element symbols.

What Is a Chemical Formula? (Definition)
This is the definition of chemical formula and an explanation of the different types of chemical formulas.

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Chemical Element Pictures - Photo Gallery
Have you ever wondered what the elements look like? Here's a collection of pictures of the chemical elements in pure form.

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How Do I Separate Salt From Water in Saltwater?
Have you ever wondered how you could purify seawater to drink it or how you could separate salt from water in saltwater? It's really very simple.

Physical Change Definition in Chemstry
This is the definition of physical change in chemistry, along with examples of types of physical changes.

Examples of Chemical Weathering
Here are 5 common examples of chemical weathering, a collection of processes that change rocks via chemical reactions.

How Does Stainless Steel Remove Odors?
Here's an explanation of how stainless steel odor eaters work to remove fish, onion, and garlic odors.

Acid - Definition & Examples in Chemistry
This is the definition of an acid as the term is used in chemistry, as well as several examples of acids.

Do You Add Acid to Water or Water to Acid?
Find out whether it's better to add acid to water or water to acid and why it's important to follow the proper procedure.

Chemical Decomposition Reaction
A chemical decomposition reaction or analysis reaction is a common type of chemical reaction. Here's a description and example.

Reduction Definition - Chemistry Glossary
This is the definition of reduction in chemistry, along with examples of chemical species that are reduced in reactions.

Single Displacement or Substitution Reaction
A single displacement reaction or substitution reaction is a common type of chemical reaction. Learn about the reaction and see examples.

Molecular Formula of Sugar or Sucrose
This is the molecular formula for table sugar or sucrose and a look at its formation from glucose and fructose.

Ionization Energy Definition and Trend
This is the ionization energy definition in chemistry as well as an explanation of its trend in the periodic table.

How Are Elements Named?
Have you ever wondered how the elements are named or why some elements have more than one name? Here's the answer to your question.

Top 10 Science Movies
This is a list of top science movies, as rated by your About Guide for Chemistry.

Ionic Radius Definition and Trend
This is the definition of ionic radius or ionic radii, with an explanation of its trend on the periodic table.

Conductor - Definition in Science
This is the definition of a conductor, as the therm is used in science, along with examples of electrical and thermal conductors.

What Is the Densest Element?
Have you ever wondered which element has the highest density or mass per unit volume? Here's the answer.

2 Ways To Make a Model Comet That Makes a Tail
Here are easy recipes to make a model comet with properties in common with real comets. Ideas for dry ice and liquid nitrogen comets are discussed.

Cool Things to Do With Dry Ice - Chemistry
Dry ice is solid carbon dioxide. These are cool and interesting projects you can do with dry ice.

10X TBE Electrophoresis Buffer Protocol
This is the protocol or recipe for preparing 10X TBE electrophoresis buffer. The 5X recipe is also provided.

Converting Fahrenheit to Kelvin
This example problem illustrates how to convert Fahrenheit to Kelvin temperature, including the conversion formula. Body temperature is the example.

10 Interesting Sulfur Facts
Here are 10 interesting facts about the element sulfur, including interesting trivia about its name and the different colors it takes.

Clickable Periodic Table of the Elements
Click on this handy interactive periodic table of the elements to learn about periodic table trends and look up element facts and figures.

Why Babies Are Born with Blue Eyes
Find out why babies are born with blue eyes and why eye color often changes as they get older.

Difference Between a Molecule and a Compound
Molecules and compounds are two types of chemical species. Here is a look at the difference between a molecule and a compound.

Mosquito Bite - Home Remedies for Itching
While you can buy treatments for mosquito bites, there are a lot of home remedies that can relieve the itching and sting without the expense.

Why ATP Is an Important Molecule in Metabolism
Learn why ATP is an important molecule in metabolism and get interesting facts about adenosine triphosphate.

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

Alloy Definition and Examples in Chemistry
This is the definition of an alloy, as the term is used in chemistry, physics, and engineering. Examples and uses of alloys are provided.

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Elements in the Human Body and What They Do
Find out what elements are in the human body and what the most abundant elements do to help keep you alive.

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How the Bead Test Works in Chemical Analysis
Learn about the bead test in chemical analysis, including what the borax and microcosmic salt tests are, how they work, and how to interpret results.

10 Common Acids and Chemical Structures
Here is a list of ten common acids with chemical structures. Facts about each acid are also included.

Periodic Table of Element Groups
This interactive periodic table of element groups arranges the chemical elements according to periodicity or common properties.

Halogens - List of Elements and Properties
The halogen elements are a specific group of nonmetals with distinctive properties. Get facts about the location and characteristics of the halogens.

Metabolism Definition in Chemistry
This is the science glossary definition of metabolism.

What Is Fermentation in Chemistry?
Fermentation is a process used to produce wine, beer, yogurt and other products. Here's the chemical process that occurs during fermentation.

Photosynthesis Vocabulary Terms and Definitions
Use this list of photosynthesis terms and definitions for review or to make flashcards to help you learn important photosynthesis concepts.

Didymium Facts and Uses - Element or Not?
Meet didymium, a substance that was once considered a chemical element but is now known as a special kind of alloy.

What Is Energy? - Chemistry Definition
This is the definition of energy, as the term is used in chemistry, physics, and science. Also, different forms of energy are defined.

Calculating pH of a Strong Acid - Chemistry Problems
Here is an example of an acid/base problem to calculate the pH of a strong acid. This example is for hydrobromic acid, but works for any strong acid.

Is There a Pool Urine Indicator Dye?
Have you ever wondered whether there really is such a chemical as a pool urine detector or pool urine indicator dye? Here's the answer.

Toxic Chemicals from Peeing in the Pool
Learn about the toxic chemicals produced by urine in treated swimming pool water.

Is Your Old Bottle of Sunscreen Still Good?
Does sunscreen really expire? Here's how you know whether an old bottle of sunscreen is still good to use.

Health Hazards of Barbecue Carcinogens
Learn about the health hazards of carcinogens found in barbecued foods, such as burgers and toasted marshmallows.

What Is Glacial Acetic Acid?
Learn what glacial acetic acid is and understand the difference between this chemical and ordinary acetic or ethanoic acid.

Lemon Fizz Science Project
The lemon fizz project is a fun bubbly science project using kitchen ingredients that’s ideal for kids to try.

pH Definition - Chemistry Glossary
This is the definition of pH in chemistry, with examples of acidic and alkaline values of common household products.

Balanced Equation Definition and Examples
This is the definition of a balanced equation in chemistry, as well as examples of unbalanced and balanced chemical equations.

Ice Cream Recipes You Make Using Science
Making ice cream is great way to enjoy a tasty treat, plus it involves several chemistry and other science concepts. Here's a collection of easy and fun science ice cream recipes, including classic liquid nitrogen ice cream, homemade Dippin' Dots, dry ice ice cream and more.

Back Titration Definition in Chemistry
This is the definition of a back titration in chemistry, with an explanation of when it is appropriate to perform the procedure.

Electron Affinity (Chemistry Glossary Definition)
This is the definition of electron affinity in chemistry, as well as a look at its trend in the periodic table.

10 Metal Alloy Facts
Here are 10 interesting facts about metal alloys, including information about white gold, solder, and sterling silver.

Carbon Monoxide Poisoning - The Silent Killer
Learn how carbon monoxide poisoning works, what puts you at risk for too much CO, and how to protect yourself and your family from the silent killer.

Diatomic Molecules - Homonuclear and Heteronuclear
This is a list of diatomic molecules, including diatomic elements and diatomic chemical compounds.

Semimetals or Metalloids List of Elements
This is a list of elements considered to be semimetals or metalloids, elements that have properties of both metals and nonmetals.

Aufbau Principle Definition - Chemistry Glossary
This is the definition of the Aufbau principle as well as a look at exceptions to the predicted electron configurations.

Madelung's Rule Definition
This is the definition of Madelung's rule, also known as Klechkowski's rule and an explanation of how it applies to filling electron orbitals.

Pauli Exclusion Principle Definition
This is the definition of Pauli Exclusion Principle and an explanation of how it applies to chemistry.

What Is the Difference Between Molarity and Molality?
Molarity and molality are both measures of concentration of solutions. Here is the explanation of the difference between these units of concentration.

Combustion Reaction - Definition of Term
This is the definition of a combustion reaction in chemistry, with examples of representative chemical reactions.

Easy Baking Powder Substitution for Cooking
If you find yourself having only baking soda and a recipe that calls for baking powder, or vice versa, learn how chemistry can help make a substitution.

Mass Number Definition - Chemistry Glossary
Here is the mass number definition in science as well as examples of how to calculate it and an explanation of how it differs from atomic number.

Fire and Flames Chemistry Demonstrations
Are you looking for an exciting chemistry demonstration? How about one that involves fire, flames and sparks? Here is a collection of simple demonstrations that produce spectacular fiery results.

Formula Mass Definition (Formula Weight)
This is the definition of formula mass as well as an example showing how to calculate it. Relative formula mass is also discussed.

Aliphatic Hydrocarbon - Chemistry Definition
This is the definition of aliphatic hydrocarbon as well as a list of several aliphatic compounds.

Mixture Definition - Chemistry Glossary
When you combine substances, you get a mixture. This is the definition of a mixture in chemistry, with examples.

Why Rings Turn Your Finger Green
Have you ever gotten a green or black ring around your finger from wearing a ring? Here's why it happens.

No Taste Without Saliva - Experiment and Explanation
Can you taste food without saliva? Here's an experiment to try to test it and an explanation of the science of how it works.

How to Make Thermite With Etch-a-Sketch Aluminum
You learned about exothermic reactions in chemistry class. In this project, make highly exothermic thermite from an Etch a Sketch toy.

Blue Borax Jewels
Borax beads are used to identify certain metals using the bead test. Make blue borax beads that resemble small jewels. Keep the jewels or use them to examine the characteristic blue color produced by cobalt.

pH Measurements - What Is pH?
This is an explanation of what pH measurements are in chemistry, how pH is calculated, and how it's used.

List of Elements That Are Nonmetals
Here is a list of elements that are considered to belong to the nonmetals group, plus a list of all the elements that are non-metallic.

What Is an Experimental Group?
Learn what an experimental group is in experimental design and get examples of how to tell this group and the control group apart.

List of Halogens (Element Groups)
This is a list of elements that belong to the halogen group, along with information about common properties of the halogens.

10 Tips for Passing a Chemistry Exam
Passing a chemistry exam can seem impossible. Here are 10 tips to ace that chemistry test. Take them to heart and pass!

Water - Wine - Milk - Beer Chemistry Demonstration
Here are instructions for performing the water - wine - milk - beer chemistry color change demonstration.

What Is Corium? Is the Elephant's Foot Still Hot?
Learn about what corium is, the nuclear accidents that produced it, and whether the Elephant's Foot at Chernobyl is still hot and dangerous.

Alkaline Earth Metals - Properties of Element Groups
The alkaline earth metals display distinctive properties. Take a look at where this element group is found and common characteristics of its elements.

How to Perform the Instant Fire Chemistry Demonstration
Learn how to do the instant fire chemistry demonstration to make potassium chlorate and sugar react to produce purple flames and a lot of smoke.

Science Magic Tricks That Involve Flame or Fire
Do you like to play with fire? Try sizzling fire magic tricks to color fire, hold it in your hand, and appear to bend it to your will.

Science Magic Tricks That Involve Flame or Fire
Do you like to play with fire? Try sizzling fire magic tricks to color fire, hold it in your hand, and appear to bend it to your will.

Smoke Magic Trick - Smoking Fingers
Try an easy smoke magic trick. Make your fingers smoke when you rub them together and also glow in the dark. No fire is required for this trick.

Match and Water in a Glass Science Magic Trick
This is a simple and interesting science magic trick involving fire and water. All you need is water, a glass, a plate, and a couple of matches.

Difference Between Atomic Weight and Atomic Mass
Understand the difference between atomic weight and atomic mass. Learn which term to use in chemistry and physics.

Ice on Fire Chemistry Demonstration
Set real water ice on fire using a simple chemical reaction. This simple chemistry demonstration is sure to please!

Here's What Happens If You Drop Francium in Water
Learn what would happen if the element francium was dropped into water and why you never see this reaction in real life.

Make a Glowing Ice Sphere Using Ice
There are different ways you can make a non-toxic glowing ice sphere. You can even make a glowing crystal ball that to float in a punch bowl.

How To Make Crystal Clear Ice Cubes
There is a 'trick' to making clear ice cubes, but it isn't complicated and doesn't require special equipment. Here's what you need to do.

How to Convert Kelvin to Fahrenheit
It is easy to convert Kelvin to Fahrenheit with these steps.This is an important metric to English temperature conversion to know!

Atomic Weight Definition (Relative Atomic Mass)
This is the atomic weight definition in chemistry, as well as synonyms and examples of atomic weight.

Pressure (Chemistry Glossary Definition)
This is the definition of pressure as the term is used in chemistry, physics, and engineering, and a look at units and how to calculate pressure.

Bleach and Alcohol Make Chloroform
Mixing bleach and alcohol is a bad idea because the chemicals react to make chloroform. Here's what happens and the risks of mixing these chemicals.

Can You Touch Mercury?
Do you know what happens if you touch mercury or whether it is safe? Here's what to expect, the health hazards, and what to do if there is a spill.

Ringer's Solution Recipe - Isotonic or Physiological Saline
Ringer's solution is a special salt solution made up to be isotonic to physiological pH. Recipes vary depending on its intended purpose and the organism.

How to Test for Protein in Food
Protein is an essential nutrient that builds muscle in the body. Here is an easy test for protein in food.

How Do You Remove Salt From Water?
Have you ever wondered how to remove salt from water? Here's the answer to the question.

Violet Smoke Chemistry Demonstration
Here are two ways to produce violet smoke for a colorful chemistry demonstration involving the element iodine.

Atom Definition (Chemistry Glossary)
This is the definition of an atom in chemistry and other sciences, as well as examples of atoms.

Element Families and Descriptions of Each
Elements may be categorized according to element families. This is an explanation of element families, with descriptions of each one.