Illustrated Glossary of Organic Chemistry

Ion: An atom with a non-zero formal charge, or a molecule in which one or more atoms have a non-zero formal charge.

Cations:	Na+
	Sodium cation		Ammonium cation		Methyl carbocation		Zwitterionic glycine Both an anion and a cation
Anions:
	Chloride anion		Borohydride anion		Methyl carbanion		A phosphonium ylide Both an anion and a cation