The formula for cobalt (II) sulfide is CoS.
Formula for potassium sulfide is K2S.
The chemical formula of gold(III) sulfide is Au2S3.
The formula of silver sulfide is Ag2S.
The chemical formula for mercurous sulfide is Hg2S.
The formula for ammonium sulfide is (NH4)2S.
Calcium sulfide is CaS. This is the empirical formula as well.
Copper(I) sulfide is Cu2S Copper(II) sulfide is CuS
Lead IV Sulfide is PbS2
Manganese VI sulfide is MnS3
The chemical formula for aluminium sulfide is Al2S3.
Mercury Sulfide is a compound composed of mercury and sulfur and the molecular formula is HgS.
Molecular formula for sodium sulfide is "Na2S"