Respuesta :
Answer:
jajjsjsjddjdjdjdjdjjdjeieiririitofodoslwnridooskemridisoskswkwjj jwjwiwiwiwkiwiw
barium has an oxidation state of +2 so the oxygen atoms have oxidation state of -1. so the compound is a peroxide
Answer:
jajjsjsjddjdjdjdjdjjdjeieiririitofodoslwnridooskemridisoskswkwjj jwjwiwiwiwkiwiw