Compounds

Front

Elements

Back

Pure substance made from one type of atom. Cannot be broken down to smaller units.

Front

Compound

Back

Two or more different elements bonded together which form a new substance. Can be separated by chemical means into each individual substance.

Front

Atom

Back

The basic unit of matter.

Front

Proton

Back

Positive part of an atom.

Front

Electron

Back

Negative part of an atom.

Front

Neutron

Back

Neutral part of an atom.