A monatomic ion is an ion consisting of a single atom. A type I binary ionic compound contains a metal (cation) that forms only one type of ion. A type II ionic compound contains a metal that forms more than one type of ion, i.e., ions with different charges
Ion Cobalt Mercury (element) Lead Copper Tin Stannous Binary ionic compound Iron Phosphide Ferric Monatomic Nitride Polyatomic ion Systematic name Iodide Ferrous Hydride Bromide Fluoride Sulfide Chloride Oxide Caesium Barium Beryllium Electric charge Lithium Potassium Magnesium Sodium Calcium Zinc Aluminium Metal Silver Hydrogen
