Polyatomic ion reference sheet containing 33 polyatomic ions sorted by name and by formula.IUPAC-recommended spelling is used.3 sizes to choose from.Pages uploaded to Easel for easy digital access.Includes the following polyatomic ions:Acetate, Ammonium, Arsenate, Arsenite, Benzoate, Borate, Bromate, Carbonate, Chlorate, Chlorite, Chromate, Cyanate, Cyanide, Dichromate, Dihydrogen phosphate, Hydrogencarbonate, Hydroxide, Hypochlorite, Iodate, Nitrate, Nitrite, Oxalate, Perchlorate, Permanganate,