Chlorate
![The chlorate ionCAS # 14866-68-3[1]](/uploads/202501/25/Chlorate-3D-vdW3912.png)

The chlorate anion has the formula ClO−
3. In this case, the chlorine atom is in the +5 oxidation state. "Chlorate" can also refer to chemical compounds containing this anion; chlorates are the salts of chloric acid. "Chlorate", when followed by a Roman numeral in parentheses, e.g. chlorate(VII), refers to a particular oxyanion of chlorine.