Chemistry: Most Popular Articles
These articles are the most popular over the last month.
Periodic Table of the Elements
This is an interactive periodic table of the elements or periodic chart of the chemical elements. Click on an element symbol on the periodic table to detailed facts about the element.
This is an interactive periodic table of the elements or periodic chart of the chemical elements. Click on an element symbol on the periodic table to detailed facts about the element.
Baking Soda & Baking Powder
Difference Between Baking Powder and Baking Soda - Cooking Substitutions
Difference Between Baking Powder and Baking Soda - Cooking Substitutions
Natural Mosquito Repellents
Learn about natural ways to repel mosquitoes and develop strategies to reduce your exposure to them.
Learn about natural ways to repel mosquitoes and develop strategies to reduce your exposure to them.
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.
Learn how to make a smoke bomb. This is the list of materials required for making your own smoke bomb.
How Mood Rings Work
Mood rings have a stone that changes color depending on your emotions. Learn how mood rings work.
Mood rings have a stone that changes color depending on your emotions. Learn how mood rings work.
Can You Drink Too Much Water?
Is it really possible to drink to much water? Learn about water intoxication and hyponatremia.
Is it really possible to drink to much water? Learn about water intoxication and hyponatremia.
Atom Basics Quiz - Test Your Chemistry Knowledge
Atom Basics Quiz - Test Your Chemistry Knowledge
Atom Basics Quiz - Test Your Chemistry Knowledge
Make Slime
This is a recipe for homemade slime.
This is a recipe for homemade slime.
Build a Baking Soda Volcano
How to make your own baking soda volcano.
How to make your own baking soda volcano.
Fire
Fire
Fire
Glowing Bubbles
Bubbles are already awesome, but glowing bubbles are even better. It is easy and safe to make bubbles glow, plus it doesn't require any hard-to-find materials. Here is what you do.
Bubbles are already awesome, but glowing bubbles are even better. It is easy and safe to make bubbles glow, plus it doesn't require any hard-to-find materials. Here is what you do.
Calculate Concentration
Calculate the concentration of chemical solutions in percent composition by mass, molarity, molality, and normality. Make dilutions by adding the correct volume of solvent to make a new solution.
Calculate the concentration of chemical solutions in percent composition by mass, molarity, molality, and normality. Make dilutions by adding the correct volume of solvent to make a new solution.
Grow Sugar Crystals
These are step by step instructions for growing your own sugar crystals or rock candy.
These are step by step instructions for growing your own sugar crystals or rock candy.
How Borax Cleans
Borax is used as a multipurpose cleaner and bleach. How does it work? Learn how the chemistry of borax relates to its cleaning power. These same properties are also associated with certain health hazards.
Borax is used as a multipurpose cleaner and bleach. How does it work? Learn how the chemistry of borax relates to its cleaning power. These same properties are also associated with certain health hazards.
Rock Tumbler Basics
Are you considering getting a rock tumbler? Before you make a purchase, learn about the different types of rock tumblers and get tips on choosing the best tumbler for your needs.
Are you considering getting a rock tumbler? Before you make a purchase, learn about the different types of rock tumblers and get tips on choosing the best tumbler for your needs.
Teach Yourself Chemistry
You can teach yourself general chemistry with this step-by-step introduction to the basic concepts.
You can teach yourself general chemistry with this step-by-step introduction to the basic concepts.
Distill Ethanol
Learn how to distill your own ethanol, also knows as ethyl alcohol or grain alcohol.
Learn how to distill your own ethanol, also knows as ethyl alcohol or grain alcohol.
How to Grow Great Crystals
How to Grow Great Crystals - Tips, Tricks, and Techniques of Crystal Growing
How to Grow Great Crystals - Tips, Tricks, and Techniques of Crystal Growing
Endo/Exothermic Reactions
Learn about endothermic and exothermic chemical reactions and get instructions to perform your own hot and cold chemistry.
Learn about endothermic and exothermic chemical reactions and get instructions to perform your own hot and cold chemistry.
Atomic Structure Quiz - Test Your Chemistry Knowledge
Atomic Structure Quiz - Test Your Chemistry Knowledge
Atomic Structure Quiz - Test Your Chemistry Knowledge
Elements in the Human Body
Elements in the Human Body
Elements in the Human Body
Remove Fluoride from Water
Learn how to remove fluoride from drinking water.
Learn how to remove fluoride from drinking water.
High School Science Projects
Get ideas for great high school science projects. These are projects targeted from the 9-12 grade educational level.
Get ideas for great high school science projects. These are projects targeted from the 9-12 grade educational level.
Chemical Names of Common Substances
Chemical Names of Common Substances
Chemical Names of Common Substances
How To Color Fire
Learn how to color fire using these fun and easy instructions.
Learn how to color fire using these fun and easy instructions.
Balancing Chemical Equations
Use these step by step instructions to write and balance chemical equations.
Use these step by step instructions to write and balance chemical equations.
Baking Substitutions
Baking powder and baking soda both are leavening agents, which means they help baked goods to rise. They are not the same chemical, but you can substitute one for another in recipes. Here's how.
Baking powder and baking soda both are leavening agents, which means they help baked goods to rise. They are not the same chemical, but you can substitute one for another in recipes. Here's how.
Element Symbols
Learn the one and two letter symbols for the chemical elements.
Learn the one and two letter symbols for the chemical elements.
Chemistry Feature Articles
This is a collection of the most recent features added to About's Chemistry website, authored by Dr. Anne Helmenstine.
This is a collection of the most recent features added to About's Chemistry website, authored by Dr. Anne Helmenstine.
Worked Chemistry Problems
Examples of worked chemistry problems.
Examples of worked chemistry problems.
Printable Periodic Table
Download or print these periodic tables to help work chemistry problems or to predict properties of the elements.
Download or print these periodic tables to help work chemistry problems or to predict properties of the elements.
Make Ice Cream in a Baggie
Make Ice Cream in a Baggie - Freezing Point Depression and Colligative Properties
Make Ice Cream in a Baggie - Freezing Point Depression and Colligative Properties
Preservatives BHA and BHT -Food Preservatives and Additives Chemistry
Chemistry of BHA and BHT - Food Preservatives and Additives Chemistry
Chemistry of BHA and BHT - Food Preservatives and Additives Chemistry
A Chemistry Terms
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter A.
Use this chemistry glossary to look up the definitions of chemistry terms beginning with the letter A.
Basics of Acids and Bases Quiz - Test Your Chemistry Knowledge
Basics of Acids and Bases Quiz - Test Your Chemistry Knowledge
Basics of Acids and Bases Quiz - Test Your Chemistry Knowledge
Chemical Bonds & Compounds Chemistry Quiz
Chemical Bonds & Compounds Chemistry Quiz
Chemical Bonds & Compounds Chemistry Quiz
Food Chemistry Quiz
Food Chemistry Quiz
Food Chemistry Quiz
Everyday Chemistry Quiz - Test Your Chemistry Knowledge
Element Symbol Quiz - Test Your Chemistry Knowledge
Element Symbol Quiz - Test Your Chemistry Knowledge
Slime Recipe
Get step-by-step instructions for making classic slime.
Get step-by-step instructions for making classic slime.
How to Make Red Cabbage Juice pH Indicator - Acid Base Chemistry
How to Make Red Cabbage juice pH Indicator - Acid Base Chemistry
How to Make Red Cabbage juice pH Indicator - Acid Base Chemistry
Periodic Properties
Learn about the periodic properties or trends in the periodic table of the elements.
Learn about the periodic properties or trends in the periodic table of the elements.
Acid-Base Indicators
Acid-Base Indicators
Acid-Base Indicators
How to Make Liquid Magnets
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.
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.
Chemistry Trivia Quiz
Chemistry Trivia Quiz
Chemistry Trivia Quiz
Make Silver Polishing Dip
Instructions for making your own chemical dip to polish silver.
Instructions for making your own chemical dip to polish silver.
Bouncing Polymer Ball
Use chemistry to make a bouncing polymer ball, then alter the procedure to see the effect the changes have on the charactertistics of the bouncing ball.
Use chemistry to make a bouncing polymer ball, then alter the procedure to see the effect the changes have on the charactertistics of the bouncing ball.
Black Light Glowing Materials
List of materials that glow under ultraviolet or black light
List of materials that glow under ultraviolet or black light
Chemistry Worksheets
This is a collection of chemistry worksheets in pdf format. The answers to the questions are available on separate worksheets so you can fill them out and then check your work.
This is a collection of chemistry worksheets in pdf format. The answers to the questions are available on separate worksheets so you can fill them out and then check your work.
Chemistry Projects for Kids
Are you searching for something fun and educational to do that is suitable for kids? Here are some great chemistry activities and projects to get you started.
Are you searching for something fun and educational to do that is suitable for kids? Here are some great chemistry activities and projects to get you started.
Chemistry 101: An Introduction and Study Tips
Chemistry 101: An Introduction and Study Tips
Chemistry 101: An Introduction and Study Tips
Make Bubble Solution
Here are instructions for making homemade bubble mix.
Here are instructions for making homemade bubble mix.
Chemistry Basics
Start learning chemistry with the basics. Learn what chemistry is, what chemists do, and why it's important to study chemistry.
Start learning chemistry with the basics. Learn what chemistry is, what chemists do, and why it's important to study chemistry.
A Chemical Structures
See chemical and molecular structures. These are structures having names starting with the letter A.
See chemical and molecular structures. These are structures having names starting with the letter A.
Firework Color Chemistry
Fireworks combine art and science. Learn about the chemistry behind firework colors, including the mechanisms of color production and a table listing colorants.
Fireworks combine art and science. Learn about the chemistry behind firework colors, including the mechanisms of color production and a table listing colorants.
Biohazard
Biohazard
Biohazard
Gunpowder Facts and History
Black powder is used as a propellant for bullets, as well as for fireworks and rocketry. Learn how gunpowder works and a bit about its history
Black powder is used as a propellant for bullets, as well as for fireworks and rocketry. Learn how gunpowder works and a bit about its history
Tattoo Ink Chemistry - Pigment Chemistry
Tattoo Ink Chemistry - Pigment Chemistry
Tattoo Ink Chemistry - Pigment Chemistry
Dangeous Chemical Mixtures
Don't mix these common household chemicals.
Don't mix these common household chemicals.
Molecules and Moles
Molecules and Moles
Molecules and Moles
Eyewash Sign
Eyewash Sign
Eyewash Sign
Mix Your Own Tattoo Ink
These are instructions for preparing your own tattoo ink.
These are instructions for preparing your own tattoo ink.
Grow a Borax Snowflake
Grow your own sparkling clear or colored borax snowflakes.
Grow your own sparkling clear or colored borax snowflakes.
Make Copper and Brass Cleaner
Use these instructions to make your own copper, brass and bronze cleaner.
Use these instructions to make your own copper, brass and bronze cleaner.
Grow a Big Alum Crystal
Instructions for growing a big alum crystal.
Instructions for growing a big alum crystal.
Tired Turkey Syndrome
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.
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.
Home Chemistry Projects
Don't worry if you don't have a chemistry lab. These projects use materials you can find around the house.
Don't worry if you don't have a chemistry lab. These projects use materials you can find around the house.
Why Babies Have Blue Eyes
Find out why babies are born with blue eyes.
Find out why babies are born with blue eyes.
Make Invisible Ink - Baking...
Learn how to make invisible ink using baking soda. Heat or grape juice is used to reveal the message.
Learn how to make invisible ink using baking soda. Heat or grape juice is used to reveal the message.
Chemistry - HowTos
An index of HowTos for the Chemistry guide site.
An index of HowTos for the Chemistry guide site.
Goo Recipe
Make squishy non-toxic goo that hardens in your hands when you squeeze it, but flows like a liquid when you pour it.
Make squishy non-toxic goo that hardens in your hands when you squeeze it, but flows like a liquid when you pour it.
Burning Money
Set money on fire and watch it burn out without damaging the bill. This is a nice magic trick, based on everyday chemistry.
Set money on fire and watch it burn out without damaging the bill. This is a nice magic trick, based on everyday chemistry.
Middle School Science Projects
Find ideas for middle school science fair projects. These are projects suitable for the 6-8 grade level.
Find ideas for middle school science fair projects. These are projects suitable for the 6-8 grade level.
Element Symbol Quiz - Test Your Chemistry Knowledge
Element Symbol Quiz - Test Your Chemistry Knowledge
Element Symbol Quiz - Test Your Chemistry Knowledge
Chemistry Fun with Pennies
Learn about the chemistry of metals by using chemistry to clean pennies, oxidize them, and plate copper onto steel.
Learn about the chemistry of metals by using chemistry to clean pennies, oxidize them, and plate copper onto steel.
Hard and Soft Water
Chemistry of hard and soft water, with information about soaps, detergents, and water softening agents.
Chemistry of hard and soft water, with information about soaps, detergents, and water softening agents.
Rock Tumbler Instructions - Rotary Tumblers
Rock Tumbler Instructions - Rotary Tumbler Rock Tumbling
Rock Tumbler Instructions - Rotary Tumbler Rock Tumbling
Stainless Steel
Explanation of Why Stainless Steel Resists Rust and Corrosion
Explanation of Why Stainless Steel Resists Rust and Corrosion
Chemistry Laboratory Safety Ru
Make your chemistry laboratory experience safe by following these simple rules.
Make your chemistry laboratory experience safe by following these simple rules.
Chemistry Laboratory Safety Quiz - Test Your Chemistry Knowledge
Chemistry Laboratory Safety Quiz - Test Your Chemistry Knowledge
Chemistry Laboratory Safety Quiz - Test Your Chemistry Knowledge
Effectiveness of Sports Drinks
Sports Drinks - Do They Hydrate Better? Comparison of beverages for hydrating during exercize
Sports Drinks - Do They Hydrate Better? Comparison of beverages for hydrating during exercize
How Does Soap Clean - Chemistry of Soap and Saponification
Explanation of how soaps clean - Chemistry of Soap and Saponification
Explanation of how soaps clean - Chemistry of Soap and Saponification
What Causes Rigor Mortis?
Learn what rigor mortis is and why it happens.
Learn what rigor mortis is and why it happens.
Acids & Bases
Virtual Chemistry Text: Grasp the fundamentals of pH, acids, and bases. Make your own pH indicators, learn about titration, and see how acids and bases play an important part in everyday life.
Virtual Chemistry Text: Grasp the fundamentals of pH, acids, and bases. Make your own pH indicators, learn about titration, and see how acids and bases play an important part in everyday life.
Acids and Bases Terms
Understanding acids and bases is important for grasping chemistry concepts. Here's an introduction to acids and bases, with definitions for key acid and base terms.
Understanding acids and bases is important for grasping chemistry concepts. Here's an introduction to acids and bases, with definitions for key acid and base terms.
Colored Smoke Bomb
Make a smoke bomb that billows clouds of brightly colored smoke. This project is easy and safe enough to at home. Adult supervision is required.
Make a smoke bomb that billows clouds of brightly colored smoke. This project is easy and safe enough to at home. Adult supervision is required.
Metal Properties
Most of the chemical elements are metals of one variety or another. Learn about some of the properties common to this large element group.
Most of the chemical elements are metals of one variety or another. Learn about some of the properties common to this large element group.
Periodic Table of the Elements Quiz - Test Your Chemistry Knowledge
Periodic Table of the Elements Quiz - Test Your Chemistry Knowledge
Periodic Table of the Elements Quiz - Test Your Chemistry Knowledge
Stink Bomb Recipes
Stink bombs smell terrible, but they are also fun. Here are instructions for how to use everyday materials to make your own stink bombs.
Stink bombs smell terrible, but they are also fun. Here are instructions for how to use everyday materials to make your own stink bombs.
Make Rock Candy
Rock candy is candy made by crystallizing sugar. You can grow sugar crystals yourself, plus add color and flavor to make rock candy that you can eat.
Rock candy is candy made by crystallizing sugar. You can grow sugar crystals yourself, plus add color and flavor to make rock candy that you can eat.
How Do Smoke Detectors Work?
Explanation of How Smoke Detectors / Alarms Work - Photoelectric and Ionization Smoke Detectors
Explanation of How Smoke Detectors / Alarms Work - Photoelectric and Ionization Smoke Detectors
Elementary Science Projects
Find science fair project ideas suitable for the kindergarten through fifth grade level. I've included projects for the preschool level also.
Find science fair project ideas suitable for the kindergarten through fifth grade level. I've included projects for the preschool level also.
Periodic Table Study Guide
Learn about the periodic table of the elements. Find out about the history of the periodic table, how the elements are organized, and how to use the periodic table to predict the behavior of unfamiliar elements.
Learn about the periodic table of the elements. Find out about the history of the periodic table, how the elements are organized, and how to use the periodic table to predict the behavior of unfamiliar elements.
Electrochemical Cells - Galvanic and Electrolytic Cells
Electrochemical Cells - Galvanic and Electrolytic Cells - Batteries
Electrochemical Cells - Galvanic and Electrolytic Cells - Batteries
How to Balance Redox Reactions
Step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry.
Step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry.
Oscillating Color Demo
Instructions for performing the Briggs-Rauscher Color Change Reaction or the Oscillating Clock Demonstration
Instructions for performing the Briggs-Rauscher Color Change Reaction or the Oscillating Clock Demonstration
Make Disappearing Ink
Learn how to make blue or pink ink that will disappear after exposure to air. Tips for restoring the color are also included.
Learn how to make blue or pink ink that will disappear after exposure to air. Tips for restoring the color are also included.
Fireball Instructions
If you can find a tee shirt and some lighter fluid, you can make small fireballs. These fireballs are re-useable. Theoretically, you can hold them in your hand.
If you can find a tee shirt and some lighter fluid, you can make small fireballs. These fireballs are re-useable. Theoretically, you can hold them in your hand.
Make Soap
These are the instructions for making a gentle, handmade soap for the hands or face.
These are the instructions for making a gentle, handmade soap for the hands or face.
Before You Buy Gasoline - Gasoline Chemistry
What you need to know before you buy gasoline
What you need to know before you buy gasoline
Make Kool-aid Playdough
This is a simple recipe for non-toxic, fruit scented and colored playdough.
This is a simple recipe for non-toxic, fruit scented and colored playdough.
Introduction to Chemistry
Virtual Chemistry Textbook: Learn what chemistry is and why we study it.
Virtual Chemistry Textbook: Learn what chemistry is and why we study it.
Endothermic Reaction Examples
This is a list of chemical reactions that are endothermic reactions.
This is a list of chemical reactions that are endothermic reactions.
Make Your Own Magic Rocks
Learn about the chemistry behind magic rocks and make your own chemical crystal garden.
Learn about the chemistry behind magic rocks and make your own chemical crystal garden.
Stoichiometry Chemistry Quiz
Stoichiometry Chemistry Quiz
Stoichiometry Chemistry Quiz
Qualitative Analysis - Chemistry Flame Tests
Qualitative Analysis - Chemistry Flame Tests
Qualitative Analysis - Chemistry Flame Tests
Soap and Saponification - Chemistry
Chemical Structure and Preparation of Soap - Saponification - Chemistry
Chemical Structure and Preparation of Soap - Saponification - Chemistry
Reverse Osmosis
Explanation of Reverse Osmosis.
Explanation of Reverse Osmosis.
Introduction to Chemistry Quiz
Introduction to Chemistry Quiz
Introduction to Chemistry Quiz
Introduction to Qualitative Analysis
Introduction to Qualitative Analysis
Introduction to Qualitative Analysis
Temperature Converter - Kelvin Fahrenheit Celsius
Temperature Converter - Kelvin Fahrenheit Celsius
Temperature Converter - Kelvin Fahrenheit Celsius
Bathroom Chemistry Quiz
Bathroom Chemistry Quiz
Bathroom Chemistry Quiz
Formulas of Acids & Bases
Here are the names and formulas of some of the common acids and bases.
Here are the names and formulas of some of the common acids and bases.
Amino Acids - Chemistry
Characteristics and Molecular Structures of Protein-Derived Amino Acids - Chemistry
Characteristics and Molecular Structures of Protein-Derived Amino Acids - Chemistry
Types of Crystals
Types of Crystals - Shapes and Structures
Types of Crystals - Shapes and Structures
Chemistry Trivia Quiz #2
Chemistry Trivia Quiz
Chemistry Trivia Quiz
How to Make Aspirin
Learn how to synthesize aspirin, acetylsalicylic acid, from salicyclic acid. Get information about the history of aspirin, the effects of salicylates, and see the structures of the reactants.
Learn how to synthesize aspirin, acetylsalicylic acid, from salicyclic acid. Get information about the history of aspirin, the effects of salicylates, and see the structures of the reactants.
Carbon Monoxide Detectors
Learn why carbon monoxide is dangerous to your health and how carbon monoxide detectors and alarms work.
Learn why carbon monoxide is dangerous to your health and how carbon monoxide detectors and alarms work.
Hydrogen Facts
Get facts on the chemical and physical properties of the element hydrogen.
Get facts on the chemical and physical properties of the element hydrogen.
Chemistry Careers
Here's a look at some of the career options available to you in the field of chemistry.
Here's a look at some of the career options available to you in the field of chemistry.
Chemical Volcano
Making a baking soda and vinegar volcano is safe and easy, plus it only requires a few inexpensive kitchen ingredients.
Making a baking soda and vinegar volcano is safe and easy, plus it only requires a few inexpensive kitchen ingredients.
Make Biodiesel
As the price of diesel continues to climb, you may wish to consider making your own diesel from cooking or vegetable oil, called biodiesel. It's easy and could save you money.
As the price of diesel continues to climb, you may wish to consider making your own diesel from cooking or vegetable oil, called biodiesel. It's easy and could save you money.
Toxic
Toxic
Toxic
Grow Table Salt Crystals
It's easy to grow your own table salt or sodium chloride crystals. All it takes is salt and boiling water. One method even yields crystals within a few hours. Here's what you need to know.
It's easy to grow your own table salt or sodium chloride crystals. All it takes is salt and boiling water. One method even yields crystals within a few hours. Here's what you need to know.
What Is Distillation?
Explanation of the process of distillation, a common method used in chemistry to separate substances.
Explanation of the process of distillation, a common method used in chemistry to separate substances.
Significant Figures in Measurements and Calculations
Significant Figures in Measurements and Calculations
Significant Figures in Measurements and Calculations
Glow in the Dark Slime
Learn how to make slime that glows in the dark. This is an easy and fun project that is suitable for kids.
Learn how to make slime that glows in the dark. This is an easy and fun project that is suitable for kids.
Make Invisible Ink - Lemon ...
Learn how to make invisible ink using lemon juice and a heat source.
Learn how to make invisible ink using lemon juice and a heat source.
Functional Groups - Organic Chemistry
Functional Groups - Organic Chemistry
Functional Groups - Organic Chemistry
Most Abundant Element
Most abundant element in the universe and on the earth.
Most abundant element in the universe and on the earth.
Green Fire Instructions
It's easy to make brilliant green fire. This cool chemistry project only takes two household chemicals.
It's easy to make brilliant green fire. This cool chemistry project only takes two household chemicals.
Pool Makes Blonde Hair Green
Do you think it's the chlorine in the swimming pool that turns blonde hair green? Guess again.
Do you think it's the chlorine in the swimming pool that turns blonde hair green? Guess again.
Most Poisonous Chemical
Find out about the most poisonous chemical compounds and substances known to man.
Find out about the most poisonous chemical compounds and substances known to man.
Mentos & Soda Chemical Volcano
Add mentos candies to diet soda to create an amazing chemical eruption.
Add mentos candies to diet soda to create an amazing chemical eruption.
How Detergents Clean
Learn about the chemistry behind the cleaning power of detergents.
Learn about the chemistry behind the cleaning power of detergents.
Basic Model of the Atom
Learn about the basic properties of atoms.
Learn about the basic properties of atoms.
Online Calculator
Online Calculator
Online Calculator
Top Chemistry Demos
This is the list of my personal favorite chemistry demonstrations and activities.
This is the list of my personal favorite chemistry demonstrations and activities.
Metal Quiz
Metal Quiz
Metal Quiz
Radioactive Symbol
Radioactive Symbol
Radioactive Symbol
Can You Go Gray Overnight?
Is it true your hair can turn white from a bad scare or that your hair can turn gray overnight? Learn about your haircolor and get the answer to the question.
Is it true your hair can turn white from a bad scare or that your hair can turn gray overnight? Learn about your haircolor and get the answer to the question.
Transition Metal Properties
Learn about the characteristics and common properties of the transition metals.
Learn about the characteristics and common properties of the transition metals.
Turning Lead into Gold
Chemistry Feature Article: Turning Lead into Gold
Chemistry Feature Article: Turning Lead into Gold
Grow Epsom Salt Crystals
Epsom salt crystals are easy to grow and form quickly. Here's what you need to know to make your own magnesium sulfate crystals.
Epsom salt crystals are easy to grow and form quickly. Here's what you need to know to make your own magnesium sulfate crystals.
Create an Endothermic Chemi...
Instructions for a safe and easy endothermic chemical reaction demonstration.
Instructions for a safe and easy endothermic chemical reaction demonstration.
Why Ice Floats
Learn about hydrogen bonding and density to understand why ice floats.
Learn about hydrogen bonding and density to understand why ice floats.
A Chemistry Topics
Use this online chemistry encyclopedia to look up chemistry concepts beginning with the letter A.
Use this online chemistry encyclopedia to look up chemistry concepts beginning with the letter A.
Electronic Configuration of the Elements - General Chemistry Table - Hydrogen through Krypton
Electronic Configuration of the Elements - General Chemistry Table - Hydrogen through Krypton
Electronic Configuration of the Elements - General Chemistry Table - Hydrogen through Krypton
Rainbow in a Glass
Make a rainbow in a glass using colored sugar solutions with different densities. It's easy and safe enough to drink.
Make a rainbow in a glass using colored sugar solutions with different densities. It's easy and safe enough to drink.
Alkali Metal Properties
Learn about the common properties shared by the alkali metals.
Learn about the common properties shared by the alkali metals.
Valences of the Elements - Chemistry of the Periodic Table
Valences of the Elements - Chemistry of the Periodic Table
Valences of the Elements - Chemistry of the Periodic Table