CH3COO- or C2H3O2-
Acetate
NH4+
Ammonium
CO32-
Carbonate
CIO3-
Chlorate
CIO2-
Chlorite
CrO4 2-
Chromate
CN-
Cyanide
Cr2O7 2-
Dichromate
H2PO4 -Â
Dihydrogen phosphate
HCO3 -Â
Hydrogen carbonate (bicarbonate)
HPO42-
Hydrogen Phosphate
HSO4-
Hydrogen sulfate or bisulfate
HSO3-
Hydrogen sulfite or bisulfite
OH-
Hydroxide
CIO-
Hypochlorite
NO3 -Â
Nitrate
NO2-Â
Nitrite
C2O4 2-Â
Oxalate
MnO4Â -
Permanganate
ClO4 -Â
Perchlorate
O2 2-Â
Peroxide
PO4 3-Â
Phosphate
SO4 2-Â
Sulfate
SO3 2-Â
 Sulfite
SCN-
Thiocyanate