Ionic compound

Definition

An ionic compound is formed when one or more ions come together due to opposite charges attracting each other, typically involving metal cations and non-metal anions.

Related terms

Ion: An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Cation:

A positively charged ion, typically a metal, that has lost one or more electrons.

Anion:

A negatively charged ion, usually a non-metal, that has gained one or more electrons.