Hey....hola! dear her here is your answer......☺️☺️
The O−O GROUP in a peroxide is called the peroxide group or peroxo group. In contrast to oxide ions, the OXYGEN atoms in the peroxide ion have an oxidation state of −1. A superoxide, ALSOKNOWN as hyperoxide,is a compound that contains the superoxide ANION with the chemical formula O2−.✌️✌️✌️✌️