Manganate is a chemical term that refers to a compound composed of a manganese ion and four oxygen atoms. This chemical ion has several synonyms like permanganate, tetraoxomanganate, and manganese(VI) oxide. Permanganate is the most common synonym for manganate and is used interchangeably in chemical literature. Tetraoxomanganate is the systematic name for manganate, and it describes the compound's molecular formula: MnO4. Other synonyms for manganate are potassium manganate, pyrolusite, and manganese heptoxide. These synonyms are necessary for researchers in the field of chemistry to avoid confusion and ensure consistent communication.