Question

Plz anyone explain how to figure out sodium peroxide's formula ?

Answer 1

Na2O2

Answer 2

I know but could you tell me what is the meaning of per beside oxide ?

Answer 3

per-
a prefix used in the names of inorganic acids and their salts that possess the maximum amount of the element specified in the base word: percarbonic (H 2 C 2 O 5 ), permanganic (HMnO 4 ), persulfuric (H 2 S 2 O 8 ), acids; potassium permanganate (KMnO 4 ); potassium persulfate (K 2 S 2 O 8 )

Answer 4

Peroxide's formula is O2 with a 2- charge. So sodium peroxide would have to be Na2O2

Answer 5

Sodium is Na\(^+\), and peroxide is O\(_2\)\(^{2-}\)