(NH4)2ZnCl4.
The chemical formula of ammonium sulfate is (NH4)2SO4. Each molecule of ammonium sulphate contains two NH4+ ions and one SO42- ions.
The chemical formula of mercury(II) nitrate is Hg(NO3)2.
Formula: Au
The chemical formula for tin sulphide is SnS
The formula is Cu(NO3)2 and is called Copper (II) Nitrate. See attached link for more information.
(NH4)2ZnCl4.
The chemical formula of ammonium sulfate is (NH4)2SO4. Each molecule of ammonium sulphate contains two NH4+ ions and one SO42- ions.
If it would have existed it formula would have been NH4CrO4
The chemical formula of mercury(II) nitrate is Hg(NO3)2.
The chemical formula for nickel* (II) sulfate is NiSO4. *Note correct spelling.
Copper(II) sulfate has the formula CuSO4.
Copper(II) sulfate has the formula CuSO4.
Iron (II) hydride has the formula FeH2.
The chemical formula of copper(II) persulfate is CuS2O8.
The chemical formula (not symbol) is NiBr2.
The chemical formula for silver(I) oxide is Ag2O.The chemical formula for silver(II) oxide is AgO.
The formula for copper(II) sulfide is CuS the formula for copper(I) sulfide is Cu2S.