Dictionary of nanotechnology

Anion

A negatively charged ion

A negatively charged ion.

An ion consists of one or more atoms and carries a unit charge of electricity. Those that are negative ions (hydroxyl and acidic atoms or groups) are called anions (cf. Cation).

Source

An ion consists of one or more atoms and carries a unit charge of electricity. Those that are negative ions (hydroxyl and acidic atoms or groups) are called anions (cf. Cation).

Source