The chemical compound formula for SULFATE is SO(4).
4 is inside parentheses because it is meant to be written very small below the O. It shows that there is 4 molocules of Oxygen in the compound.
The name of the compound BeSO4 is beryllium sulfate
aluminium sulfate
Ammonium sulfate is an ionic compound. The formula itself names an anion and a cation.
There is no such compound as silicon sulfate. Do you mean silicon sulfide, SiS2 ?
Fe2(SO4)3
The formula for this compound is Rb2S.
The name of the compound BeSO4 is beryllium sulfate
aluminium sulfate
its ammonium sulfate
Ag3N
This chemical formula is BaSO4.
Ammonium sulfate is an ionic compound. The formula itself names an anion and a cation.
PbSO4 is the chemical formula of lead(II) sulfate.
There is no such compound as silicon sulfate. Do you mean silicon sulfide, SiS2 ?
Na2SO4.10H2O
Fe2(SO4)3
although there are covalent bonds in the ammonium ion and also the sulfate ion - the compound as a whole is a salt and is ionic