Question

In a molecule of lithium sulfide there are two atoms of lithium and one atom of sulfur. Which statement about lithium sulfide is correct? The chemical formula for lithium sulfide is LiS2, the atoms in lithium sulfide are held together by bonds, a molecule model of lithium sulfide would have two spheres, both lithium and sulfur form positive ions

Answer 1

The statement "both lithium and sulfur form positive ions" is incorrect. In lithium sulfide, lithium forms a positive ion (Li+) and sulfur forms a negative ion (S2-).