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Introduction to Chemistry


Do you wonder what chemistry is or why you would want to study it? Take a look at answers to some basic questions about chemistry.

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Element & Periodic Table Quizzes

Quizzes about the elements and periodic table are extremely popular. Here are some of the top chemistry quizzes that test your familiarity with the elements and understanding of the periodic table.

What Is the Difference Between Accuracy and Precision?

This is an explanation of the difference between accuracy and precision.

How to Use Flash Cards to Study Chemistry

Flash cards can be a great study aid. You can use them to help memorize facts, lists, and structures as well as to reinforce important concepts. Here's how to prepare and use flash cards to help study chemistry.

August 22 Science History

Learn about the history of science by reading about the significant scientific events that took place on August 22 in history.

Metals Versus Nonmetals

Elements may be classified as either metals or nonmetals, based on their properties. Here's a look at the differences between the metals and nonmetals.

Name 10 Examples of Physical Changes

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

How Many Atoms Are There in a Human Cell?

Have you ever wondered how many atoms are in a human cell? It's a huge number! Here's a look at the answer.

10 Things You Need To Know About Chemistry

If you're new to the science of chemistry, there are 10 things you need to know. Once you understand these basic facts, you'll be on your way to understanding chemistry and performing experiments.

The Colors of Sulfur

When you get right down to it, most the chemical elements have a ho-hum appearance. Sulfur is different. This element comes in multiple vibrant colors.

Metals Nonmetals and Metalloids - Periodic Table

This is a periodic table of the metals, metalloids, and nonmetals and a description of these major element groups.

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