complex ion

See also: complexion, and complexión

English

Noun

complex ion (plural complex ions)

1. (chemistry) Any ion containing more than one atom. e.g. sulphate as opposed to sulphide.
2. (chemistry) Any ion in which a central metal atom (normally a transition element) is surrounded by a group of ions or molecules (ligands). e.g. ferricyanide.

See also

• coordination compound