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Learn about the chemistry behind how things work. Get answers to frequently asked chemistry questions. Discover the science behind everyday phenomena and objects.
  1. Chemistry FAQs
  2. Science Facts
  3. How the Chemical Elements Work
  4. How Molecules & Compounds Work
  1. How Crystals Work
  2. How Toxic Chemicals Work
  3. How the Periodic Table Works

Chemistry FAQs

Get answers to commonly asked science questions. Learn about the chemical elements, what is in the foods you eat, and how things work.

Science Facts

Get facts and explanations to help you understand the science behind how things work.

How the Chemical Elements Work

Bismuth is a crystalline white metal, with a pink tinge.

Become an element expert. Learn what a chemical element is, get facts about element properties, see what they look like, and learn how they are grouped.

How Molecules & Compounds Work


Atoms join together to form molecules and compounds, making up all matter. Learn about important molecules and compounds. See what you need to know about metals and alloys, water, and chemical weapons.

How Crystals Work

Copper sulfate crystals are easy to grow.

It's fun and easy to grow your own crystals. Learn how crystals form, get recipes for crystals by shape and color, and get information about their properties and structures.

How Toxic Chemicals Work

Is you see this sign, beware. It's the toxic chemical symbol.

Can you name the most poisonous chemical? Learn about poisons and toxins. Get facts about chemical weapons and warfare agents. Learn what chemicals not to mix, to avoid poisoning yourself.

How the Periodic Table Works

You'd probably know the periodic table if you saw it, but do you know why it's organized the way it is? Did you know there are different types of periodic tables? Here's information about the history of the periodic table, how it is structured, and how you can use it to find facts for the chemical elements.

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