Sulfide

Sulfide (sulphide in British English) is an anion of  sulfur in its lowest oxidation number of -2.  Sulfide is also a term for thioethers, a common type of  compound which are known for their bad odours, an example is H2S (hydrogen sulfide).

The dianion S2- exists only in strongly alkaline aqueous solutions. 

Category:Anions
Category:Sulfur compounds