Names and Formulas of Ionic compounds

Question set 3.4:1. (a) Overall charge of an ionic compound is zero, they have no charge.(b) This is achieved by losing and gaining electrons, and obtain an overall stable valence electrons for both atoms2. (a) Br- Bromide(b) S2- Sulfide(c) Ba2+ Barium(d) K+ Potassium(e) N3- Nitride4. (a) Potassium Iodide(b) Lead (IV) Oxide(c) Barium Chloride(d) Sodium Phosphorus Oxide x Sodium Phosphate(e) Calcium Hydride(f) Zinc Nitrate5. Mg3N