What is nickel i sulfide formula?

The chemical formula for nickel sulfide is NiS. It is an inorganic compound that consists of one nickel atom and one sulfur atom, arranged in a crystalline lattice structure. Nickel sulfide is a black, solid material that has a high melting point and is insoluble in water. It is commonly found as a mineral in ore deposits and is used as a catalyst in various industrial processes. Its properties make it useful in a wide range of applications, including electronics, ceramics, and batteries.