The carbonate ion (CO32-) can act as either a monodentate or a bidentate ligand. Draw a picture of CO32- coordinating to a metal ion as a monodentate and as a bidentate ligand. The carbonate ion can also act as a bridge between two metal ions. Draw a picture of a CO32- ion bridging between two metal ions.

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Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.