Rules continued
- e. the ligand name is preceded by a Latin or Greek prefix to indicate how many are present
- di, tri, tetra, penta, hexa
- if one of these is part of the ligand name, use bis, tris, tetrakis, pentakis, hexakis
4. In a neutral or cationic complex, the name of the central metal is followed by its oxidation number in Roman numerals in parentheses.
5. In an anionic complex, the suffix -ate is added to the name of the central metal, followed by its oxidation number in Roman numerals in parentheses.