Terminology:Ion

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thumb_arrow_up.png Terminology

Description

An ion is an atom or group of atoms in which the number of electrons is different from the number of protons.

Nomenclature

Positive Ion

If the number of electrons is less than the number of protons, the particle is a positive ion, also called a cation.

Negative Ion

If the number of electrons is greater than the number of protons, the particle is a negative ion, also called an ion.

See also