iii)neutral ligands are given their usual name,with some exceptions:NH3 becomes ammine;H2O becomes aqua or aquo;CO becomes carbonyl;NO becomes nitrosyl. 3 write the name of the central atom/ion.If the complex is an anion,the central atom's name will end in -ate,and its Latin name will be used if available (except for mercury). 4If the central atom's oxidation state needs to be specified (when it is one of several possible,or zero),write it as a Roman numeral (or 0)in parentheses. 5Name cation then anion as separate words(if applicable,as in last example)ⅲ) neutral ligands are given their usual name, with some exceptions: NH3 becomes ammine; H2O becomes aqua or aquo; CO becomes carbonyl; NO becomes nitrosyl. ③ write the name of the central atom/ion. If the complex is an anion, the central atom's name will end in -ate, and its Latin name will be used if available (except for mercury). ④If the central atom's oxidation state needs to be specified (when it is one of several possible, or zero), write it as a Roman numeral (or 0) in parentheses. ⑤Name cation then anion as separate words (if applicable, as in last example)