| A | B |
|---|
| positive | The charge an atom has when it has lost electrons |
| negative | The charge an atom has when it has gained electrons |
| cation | A positive ion |
| anion | A negative ion |
| metal | The type of atom that lose electrons when forming ions |
| nonmetal | The type of atom that gain electrons when forming ions |
| valence | The outermost shell of electrons |
| subscript | The numbers written within a formula to represent the number of atoms involved |
| ion | An atom with a charge |
| Ionic Compound | A substance composed of at least one metallic cation and one nonmetallic anion |
