A compound is formed by combining a polyatomic cation and a polyatomic anion. If the valency of the constituent elements, present in cation is three and one, then which of the following statement(s) is/are correct?

One/More Correct Answer(s)

A.

The compound can be ammonium sulphate

B. The molecular mass of the carbonate of this polyatomic cation can be 96 u

C. The metal present in the compound can be aluminium

D. Chemical formula of the compound can be (N*H_{4}) 2 SO 4