The common polyions - See the polyion chart

ClO- 
Hypochlorite ion
Hypochlorite Ion 		ClO2-
Chlorite ion
Chlorite Ion 		ClO3-
Chlorate Ion
Chlorate Ion 		ClO4-
Perchlorate Ion
Perchlorate Ion
BrO- 
Hypobromite Ion
Hypobromite Ion 		BrO2-
Bromite Ion
Bromite Ion 		BrO3-
Bromate Ion
Bromic Acid 		BrO4-
Perbromate Ion
Perbromic Acid
IO- 
Hypoiodite Ion
Hypoiodite Ion 		IO2-
Iodite Ion
Iodite Ion 		IO3-
Iodoate Ion
Iodoic Acid 		IO4-
Periodate Ion
Periodic Acid
HSO2-
Hydrogenhyposulfite ion
Hydrogenhyposulfite ion 		HSO3-
Hydrogensulfurite ion
Hydrogensulfurite ion 		HSO4-
Hydrogensulfite Ion
Hydrogensulfite Ion 		 
SO22-
hyposulfite ion
hyposulfite ion 		SO32-
sulfurite ion
sulfurite ion 		SO42-
sulfate Ion
sulfate Ion 		 
  NO2-
nitrite Ion
Nitrite Ion 		NO3-
nitrate Ion
Nitrate Ion 		 
H2PO2-
Dihydrogenhypophosphite Ion
Dihydrogenhypophosphorite Ion 		H2PO3-
Dihydrogen phosphite Ion
Dihydrogen phosphorite Ion 		H2PO4-
Dihydrogenphosphate Ion
Dihydrogenphosphorate Ion 		 
HPO22-
Hydrogenhypophosphite Ion
Hydrogenhypophosphorite Ion 		HPO32-
Hydrogenphosphite Ion
Hydrogenphosphorite Ion 		HPO42-
Hydrogenphosphate Ion
Hydrogenphosphorate Ion 		 
PO23-
Hypophosphite Ion
Hypophosphorite Ion 		PO33-
Phosphite Ion
Phosphorite Ion 		PO43-
Phosphate Ion
Phosphorate Ion 		 
    HCO3-
Hydrogencarbonate ion
Hydrogencarbonate ion 		 
    CO32-
Carbonate ion
Carbonate ion