Ti+, V4+, Cr6+, Mn7+
Ti4+, V3+, Cr2+, Mn3+
Ti2+, V3+, Cr4+, Mn5+
Ti3+, V2+, Cr3+, Mn4+
A coordination compound holds a central metal atom or ion surrounded by various oppositely charged ions or neutral molecules. These molecules or ions are re-bonded to the metal atom or ion by a coordinate bond.
A coordination entity composes of a central metal atom or ion bonded to a fixed number of ions or molecules.
A molecule, ion, or group which is bonded to the metal atom or ion in a complex or coordination compound by a coordinate bond is commonly called a ligand. It may be either neutral, positively, or negatively charged.