The document lists common ionic compounds and their chemical formulas. It provides the name of each compound followed by its chemical formula showing the ions present and their charges. Some common ions listed include sulfate, sulfite, sulfide, chloride, chlorate, chlorite, hypochlorite, perchlorate, chromate, dichromate, iodate, carbonate, bicarbonate, phosphite, phosphide, peroxide, cyanide, thiocyanate, hydroxide, stannous, stannic, cadmium, ammonium, and permanganate.