Basic Chemistry Concepts

Front

The smallest unit of matter that makes up everything around us.

Back

Atom

Front

A group of two or more atoms bonded together.

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Molecule

Front

A pure substance made of only one type of atom.

Back

Element

Front

A substance made of two or more different types of atoms bonded together.

Back

Compound

Front

A large, repeating pattern of connected atoms or molecules, like in a crystal or metal.

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Extended Structure

Front

A solid material where the atoms or molecules are arranged in a repeating, organized pattern.

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Crystal

Front

A material that is made of only one type of atom or molecule and has the same properties throughout.

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Pure Substance

Front

A force that holds atoms together in a molecule.

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Chemical Bond

Front

A process where substances change into new substances with different properties.

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Chemical Change (Reaction)

Front

A change that affects one or more physical properties of a substance.

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Physical Change