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Preview: About.com Chemistry: Most Popular Articles

About.com Chemistry: Most Popular Articles



These articles are the most popular over the last month.



Published: Fri, 02 Dec 2016 11:15:27 +0000

 



10 Facts About Acids and Bases

2016-12-02T11:15:27Z

Here are 10 facts about acids and bases to help you learn about acids, bases, and pH and complete your homework.



Know the Difference Between Baking Powder &...

2016-12-02T11:15:27Z

Baking powder and baking soda make baked goods rise. Learn the difference between them and how to make ingredient substitutions.



Why a Big Turkey Dinner Makes You So Sleepy

2016-12-02T11:15:27Z

Find out why you want to take a nap after the big Thanksgiving Day feast. Let's talk turkey and learn about L-tryptophan and carbohydrate metabolism.



How to Calculate the Concentration of a...

2016-12-02T11:15:27Z

See how to calculate the concentration of a chemical solution in percent composition by mass, volume percent, molarity, molality, and normality.



Easy Ways To Substitute Baking Powder and...

2016-12-02T11:15:27Z

Baking powder and baking soda are leavening agents that help baked goods to rise. Here is exactly how to substitute baking powder and baking soda.



10 Examples of Chemical Reactions in Everyday...

2016-12-02T11:15:27Z

Chemistry happens in the real world, not just a lab. Here are 10 examples of chemical reactions in everyday life.



10 Examples of Chemical Changes We Experience...

2016-12-02T11:15:27Z

Chemical changes occur when chemical reactions between substances form new products. Get examples of 10 chemical changes in everyday life.



3 Ways To Calculate Atomic Mass

2016-12-02T11:15:27Z

The atomic mass or atomic weight of an element is a weighted average of the isotopes. Here are 3 simple ways to calculate atomic mass of an element.



Know the Types of Chemical Reactions (With...

2016-12-02T11:15:27Z

When you mix chemicals, you may get a chemical reaction. Learn about the different types of chemical reactions and get examples of the reaction types.



Get Printable Worksheets To Practice Balancing...

2016-12-02T11:15:27Z

This is a collection of printable worksheets to practice balancing equations. The printable worksheets are provided in pdf format with separate answer keys.



10 Chemistry Questions You Should Be Able to...

2016-12-02T11:15:27Z

These are questions an educated person should be able to answer relating to chemistry in the everyday world.



What Borax Is and Where You Can You Get It

2016-12-02T11:15:27Z

Borax is a common household and commercial chemical. Here's a look at what borax is, some facts about borax and how you can get borax.



10 Examples of Physical Changes

2016-12-02T11:15:27Z

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



Know the Differences Between DNA and RNA

2016-12-02T11:15:27Z

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



How To Make Homemade Christmas Tree Food

2016-12-02T11:15:27Z

Keep your living Christmas tree alive. Here's how to make homemade Christmas tree food or cut flower preservative.



Understand the Difference Between Independent...

2016-12-02T11:15:27Z

The difference between independent and dependent variables in an experiment is which variable is being measured. Here's how to tell them apart.



Understand How pH and pKa Are Related

2016-12-02T11:15:27Z

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.



Learn the Properties and Characteristic of...

2016-12-02T11:15:27Z

These are properties of covalent compounds, also known as molecular compounds.



How To Make Sulfuric Acid at Home

2016-12-02T11:15:27Z

Sulfuric acid is a useful acid to have on hand for a variety of home chemistry projects. However, it is not easy to obtain. Fortunately, you can make it yourself.



10 Examples of Mixtures

2016-12-02T11:15:27Z

This is a list of 10 examples of mixtures and an explanation of whether the mixture is heterogeneous or homogeneous.



Teach Yourself Chemistry

2016-12-02T11:15:27Z

You can teach yourself general chemistry with this step-by-step introduction to the basic concepts.



What Is the World's Strongest Superacid?

2016-12-02T11:15:27Z

You may be thinking the acid in the Alien blood in the popular movie is pretty far-fetched, yet there is an acid that is even more corrosive! Learn about the word's strongest superacid.



Learn About Lewis Structures or Electron Dot...

2016-12-02T11:15:27Z

Learn about Lewis structures, also called electron dot structures and get step-by-step help drawing them.



Is It Okay To Drink Distilled Water?

2016-12-02T11:15:27Z

Distillation is one method of water purification. Is distilled water safe to drink or as good for you as other types of water? The answer depends on a few different factors.



Why Onions Make You Cry

2016-12-02T11:15:27Z

Find out why you cry when you cut onions and how you can keep it from happening.



How Much of The Human Body Is Water?

2016-12-02T11:15:27Z

Have you ever wondered how much of your body is water? The percentage of water depends on age and gender. Here's how much water is inside you.



10 Types of Solids, Liquids, and Gases

2016-12-02T11:15:27Z

Get examples of types of solids, liquids, and gases and learn about the transitions or phase changes between them.



10 Interesting Fluorine Facts

2016-12-02T11:15:27Z

Get interesting facts about the discovery, properties, uses, and abundance of the element fluorine.



Easy Way To Grow Borax Crystal Snowflakes

2016-12-02T11:15:27Z

It's easy to grow your own sparkling clear or colored borax crystal snowflakes. Here's what you do.



Examples of Chemical and Physical Changes

2016-12-02T11:15:27Z

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



Why You Shouldn't Mix Bleach and Ammonia

2016-12-02T11:15:27Z

Mixing bleach and ammonia is extremely dangerous, since toxic vapors will be produced. Here are the chemical reactions involved and first aid advice.



Know the Major Laws of Chemistry

2016-12-02T11:15:27Z

Here's a reference pages that describes the major laws of chemistry.



10 Examples of Electrical Conductors and...

2016-12-02T11:15:27Z

This is a list of 10 examples of materials that are electrical conductors and insulators and an explanation of why some materials conduct better than others.



4 Types of Inorganic Chemical Reactions

2016-12-02T11:15:27Z

Learn how to classify inorganic chemical reactions into one of these four general categories.



Equation for the Baking Soda and Vinegar Reaction

2016-12-02T11:15:27Z

The reaction between baking soda and vinegar is used in chemical volcanoes. Here is the equation for the reaction between baking soda and vinegar.



Heterogeneous and Homogeneous Mixtures: What's...

2016-12-02T11:15:27Z

Heterogeneous and homogeneous are types of mixtures in chemistry. Learn about the difference between these mixtures and get examples of each type.



Elements by the Numbers From Hydrogen to...

2016-12-02T11:15:27Z

Here's a list of all of the chemical elements of the periodic table ordered by increasing atomic number. The names and element symbols are provided.



Why Study Chemistry? Here Are Good Reasons

2016-12-02T11:15:27Z

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 Temperature Does Water Boil?

2016-12-02T11:15:27Z

At what temperature does water boil? What determines the boiling point of water? Here's the answer to this common question.



Why You Shouldn't Mix Bleach and Vinegar

2016-12-02T11:15:27Z

Mixing bleach and vinegar is a bad idea because it produces toxic chlorine gas. Here's what you should know about mixing these chemicals.



What STP Means in Chemistry

2016-12-02T11:15:27Z

Here's an explanation of what STP is in chemistry and why it is useful, particularly when dealing with gases.



How Formulas of Ionic Compounds Work

2016-12-02T11:15:27Z

Learn how formulas of ionic compounds work and see examples of compounds, their cations, and their anions.



How to Draw A Lewis Structure

2016-12-02T11:15:27Z

Drawing Lewis structures can be a straightforward process if the proper steps are followed. These instructions will show how to draw Lewis structures for molecules.



Ideal Gas Law Test Questions

2016-12-02T11:15:27Z

The ideal gas law is an important concept in chemistry. This is a collection of ten chemistry test questions and answers relating to ideal gas laws.



Examples of Independent and Dependent Variables

2016-12-02T11:15:27Z

Get the definitions for independent and dependent variables, examples of each variable, and the explanation for how to graph them.



Learn What Chemical Properties Are and Get...

2016-12-02T11:15:27Z

Here is an explanation of what chemical properties are, plus several examples of chemical properties of matter.



How to Make Homemade Rock Candy or Sugar Crystals

2016-12-02T11:15:27Z

These are step by step instructions for growing your own sugar crystals or rock candy, which you can eat!



Is It Safe To Drink Bleach? Will It Kill You?

2016-12-02T11:15:27Z

Learn whether it's safe to drink bleach, what happens if you do, and if it can kill you. Learn whether drinking bleach can help you pass a drug test



How to Name Molecular or Covalent Compounds

2016-12-02T11:15:27Z

Here is the nomenclature or naming rules for molecular compounds, plus examples of how to name the compounds.



An Easy Way to Calculate Molarity of a Solution

2016-12-02T11:15:27Z

Molarity is a unit of concentration measuring the number of moles of a solute per liter of solution. Here is how to calculate molarity of a solution.



How To Build a Classic Baking Soda Volcano

2016-12-02T11:15:27Z

The chemical volcano is the classic science fair project. This step-by-step recipe will show you how to make your own baking soda volcano.



Understand the Difference Between Organic and...

2016-12-02T11:15:27Z

Organic and inorganic compounds are the basis of chemistry. Here is the difference between organic and inorganic, plus examples of each type.



What Is the Freezing Point of Water?

2016-12-02T11:15:27Z

What is the freezing point of water or the melting point of water? Are the freezing and melting point the same? Here's the answer to these common questions.



Which Elements Are Radioactive?

2016-12-02T11:15:27Z

This is a list or table of elements that are radioactive. This list has the element name, most stable isotope and half-life of most stable isotope.



How to Make Homemade Slime (Classic Recipe)

2016-12-02T11:15:27Z

This is a classic recipe for homemade slime. It's super-easy, plus I included tips for success.



Learn the Parts of the Periodic Table

2016-12-02T11:15:27Z

Learn about the parts of the periodic table and how to use the table organization to predict element properties.



Is Red Bull Made from Bull Semen?

2016-12-02T11:15:27Z

Find out whether the taurine in Red Bull came from bull semen and why the ingredient is in the drink in the first place.



Here's How to Write a Lab Report

2016-12-02T11:15:27Z

Lab reports are an essential part of all laboratory courses and a significant part of your grade. Here's a format for a lab report to use.



What Is an Isotope? Definition and Examples

2016-12-02T11:15:27Z

Isotopes are one form an element can take. This is the definition of an isotope, with examples.



What Is the Strongest Acid?

2016-12-02T11:15:27Z

Do you know what the strongest acid is? I'll give you a hint. It's not hydrochloric acid nor is it sulfuric acid.



Quick Chemistry Facts About the Ideal Gas...

2016-12-02T11:15:27Z

The gas constant or R is an important constant in the ideal gas law. This is the definition and value of the gas constant.



10 Useful RNA Facts

2016-12-02T11:15:27Z

RNA or ribonucleic acid is used to translate instructions from DNA to make proteins in your body. Here are 10 interesting and fun facts about RNA.



Look Up Element Facts on the Clickable Periodic...

2016-12-02T11:15:27Z

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



Free PDF Chemistry Worksheets To Download or...

2016-12-02T11:15:27Z

Looking for free PDF chemistry worksheets that you can print? The answers to the questions are available on separate pages so you can fill them out and then check your work.



Examples of Chemical Weathering

2016-12-02T11:15:27Z

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



Understand the Difference Between a Cation and...

2016-12-02T11:15:27Z

Cations and anions are both ions, differing in the net electrical charge of the ion. Here is how to tell them apart.



What Are the Different Element Groups in the...

2016-12-02T11:15:27Z

These are the element groups found in the periodic table of the elements. There are links to lists of elements within each group.



What Does pH Stand For?

2016-12-02T11:15:27Z

Have you ever wondered what pH stands for or where the term originated? Here is the answer to the question and a look at the history of the pH scale.



Common Examples of Covalent Compounds

2016-12-02T11:15:27Z

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.



Understand Coffee Cup Calorimetry and Bomb...

2016-12-02T11:15:27Z

A calorimeter is a device used to measure heat flow in a chemical reaction. Learn about the coffee cup calorimeter and the bomb calorimeter.



Independent Variable Definition and Examples

2016-12-02T11:15:27Z

This is the definition of an independent variable, with examples. An independent variable is one of the key factors in a scientific experiment.



These Are the Exceptions to the Octet Rule

2016-12-02T11:15:27Z

The octet rule is used to predict compound molecular structures . Here are the exceptions to the octet rule and how it applies to Lewis structures..



Ways To Make an Atom Model

2016-12-02T11:15:27Z

Atoms are the smallest units of each element and the building blocks of matter. Here's how to make an atom model using common materials.



Know the Types of Solids

2016-12-02T11:15:27Z

There are 6 main types of solids, each characterized by specific properties and structures. Here is a look at how to categorize solids.



How Does Borax Work as a Cleaner?

2016-12-02T11:15:27Z

Borax is the common name of sodium borate decahydrate. Learn the chemistry of borax, how it cleans, and how to use it safely.



What Is the Importance of Chemistry?

2016-12-02T11:15:27Z

What is the importance of chemistry? Why would you want to learn about chemistry? Chemistry is the study of matter and its interactions with other matter and energy. Here's a look at the importance of chemistry and why you should study it.



Essential Element Facts

2016-12-02T11:15:27Z

The chemical elements are the building blocks of all matter. Here are interesting and essential element facts you need to know.



What's a Polar Bond in Chemistry? Definition...

2016-12-02T11:15:27Z

This is the definition of polar bond as the term is used in chemistry, with examples of molecules that have polar bonds.



Why Atoms Form Chemical Bonds

2016-12-02T11:15:27Z

Have you ever wondered why atoms form chemical bonds with other atoms? Here's the scientific reason and an explanation of stability.



Fun and Interesting Chemistry Facts

2016-12-02T11:15:27Z

Chemistry is a fascinating science, full of unusual trivia! Here are some fun and interesting chemistry facts for you.



How to Calculate Normality of a Solution

2016-12-02T11:15:27Z

The normality of a solution is the gram equivalent weight of a solute per liter of solution. Here's an example of how to calculate the normality of a solution.



Make Your Own pH Indicator with Red Cabbage

2016-12-02T11:15:27Z

Make pH indicator solution using cabbage. Red cabbage juice indicator is easy to make, exhibits many colors, and can be used to make pH paper strips.



Learn Key Acids and Bases Definitions

2016-12-02T11:15:27Z

Understanding acids and bases is important in chemistry. Here's an introduction to acids and bases, with definitions for key acid and base terms.



Understand the Laws of Thermochemistry

2016-12-02T11:15:27Z

The laws of thermochemistry are used to describe the heat or energy flow of chemical reactions. Understanding the values of a reaction's enthalpy will help determine whether the reaction is endothermic or exothermic.



How to Calculate Theoretical Yield

2016-12-02T11:15:27Z

Here's how to calculate theoretical yield or how much product will be produced with given quantities of reactants.



This Is How To Calculate Percent Error

2016-12-02T11:15:27Z

Percent error or percentage error is the difference between an approximate or measured value and an exact or known value. Here is how to calculate percent error.



Practice Chemistry with Worked Chemistry Problems

2016-12-02T11:15:27Z

This is an alphabetical list of worked example chemistry problems. Printable worksheets with questions and answers are also provided.



Anode vs. Cathode: What's the Difference?

2016-12-02T11:15:27Z

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



Factors that Affect Chemical Reaction Rates

2016-12-02T11:15:27Z

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.



Can You Name the 7 Diatomic Elements?

2016-12-02T11:15:27Z

There are seven elements that form homonuclear diatomic molecules or simple molecules with their own atoms. This is a list of the 7 diatomic elements.



Examples of 10 Balanced Chemical Equations

2016-12-02T11:15:27Z

Writing balanced chemical equations is essential for chemistry class. Here are examples of 10 balanced equations you can review or use for homework.



What Is Alum? Here's What You Need to Know

2016-12-02T11:15:27Z

Find out what alum is and how it's used. Learn about the different types of alum and whether they are safe.



19 Fun and Easy Slime Recipes

2016-12-02T11:15:27Z

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.



10 Examples of Everyday Chemistry in the World...

2016-12-02T11:15:27Z

Chemistry is a big part of your everyday life. You find chemistry in daily life in foods you eat, air you breathe, soap, your emotions and literally every object you can see or touch. Here's a look at some examples of everyday chemistry.



What Stoichiometry Is and Why You Need To...

2016-12-02T11:15:27Z

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



10 Interesting Periodic Table Facts

2016-12-02T11:15:27Z

The periodic table organizes the elements according to their periodic properties. Find 10 periodic table facts that are interesting and informative.



These Holiday Plants Are Poisonous

2016-12-02T11:15:27Z

Popular holiday plants may be poisonous or toxic, especially to children and pets. Here are common poisonous holiday plants and how bad they are.



What Are the First 20 Elements?

2016-12-02T11:15:27Z

Here are the first 20 elements of the periodic table, their atomic numbers, and the element symbols.



Melt Ice for Science in this fun Experiment

2016-12-02T11:15:27Z

In the melting ice experiment, make a colorful ice sculpture while learning about freezing point depression and erosion.



Things That Glow in Black or Ultraviolet Light

2016-12-02T11:15:27Z

This is a list of materials that glow under ultraviolet or black light because they contain fluorescent or phosphorescent molecules.