Oxidation Number - Chemistry Glossary Definition

Oxidation Number Definition:atomcoordination compoundligandsthe oxidation numberoxidation state The oxidation number is represented by a Roman numeral. The plus sign is omitted for positive oxidation numbers. The oxidation number is seen as a superscript to the right of an element symbol (e.g., FeIII) or in parentheses after the element name [e.g., Fe(III)] usually with no space between the element name and the parentheses.