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Reference.org
Lithium sulfide
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<p>Lithium sulfide is the <a href="/facts/Inorganic_compound/TfFfzxSz">inorganic compound</a> with the <a href="/facts/Chemical_formula/hghUtthl">formula</a> <a href="/facts/Lithium/7vXX6BWA">Li</a>2<a href="/facts/Sulfide/d8YMjLeu">S</a>. It crystallizes in the antifluorite motif, described as the salt (Li+)2S2−. It forms a solid yellow-white <a href="/facts/Deliquescent/1NBGewXv">deliquescent</a> powder. In air, it easily hydrolyses to release foul smelling <a href="/facts/Hydrogen_sulfide/UbCqjMMk">hydrogen sulfide</a> gas. </p>