7.2 Classifying Matter

Front

Element

Back

A pure substance that cannot be broken down into other substances.

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Atom

Back

The basic particle from which all elements are made.

Front

Chemical Bond

Back

The force that holds atoms together in a molecule or compound.

Front

Molecule

Back

A group of two or more atoms held together by a chemical bond.

Front

Compound

Back

A substance formed when two or more elements are bonded in a specific ratio.

Front

Chemical Formula

Back

Symbols that show the elements in a compound and the ratio or atoms.

Front

Mixture

Back

A material made up of two or more different substances which are not chemically combined.