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