Coordination chemistry is the branch of chemistry in which compounds having central metallic atom are surrounded by molecules or anions called ligands. The ligands are attached to the central atom by dative bonds, also known as coordinate bonds, in which both electrons in the bond are supplied by the same atom on the ligand. Metal complexes are also called coordination compounds.metal complex is the coordination complex whose centre is a metal atom. Coordination is the "coordinate covalent bonds" or dipolar bonds between the ligands and the central atom.
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