Lead sulfide is an inorganic compound with the chemical formula PbS. It is also known as galena, which is the principal ore and important compound of lead. It is one of the earliest materials to be ...

So far no coherent or consistent explanation of the phenomenon of phototropy has been given, although numerous compounds which manifest this property have been studied. A study of the phototropy of ...

Cadmium sulfide is an inorganic compound with the chemical formula CdS. It is a yellow solid and a semiconductor of electricity. It occurs in nature with two different polymorphs, cubic hawleyite, and ...