What is li2scompound name?

The compound Li2S is called lithium sulfide. It is a binary ionic compound composed of one lithium cation (Li+) and one sulfide anion (S2-). The compound forms a white or yellow crystalline solid, which is insoluble in water and reacts vigorously with water to produce hydrogen gas and lithium hydroxide. Lithium sulfide is used in the manufacture of batteries, ceramics, and phosphors, and is also used as a reducing agent and catalyst for organic reactions.