Ammonium
NH_4+
Nitrite
NO_2-
Nitrate
NO_3-
Sulfite
SO_3(2-)
Sulfate
SO_4(2-)
Hydrogen Sulfate or bisulfate
HSO_4-
Hydroxide
OH-
Cyanide
CN-
Phosphate
PO_4(3-)
Hydrogen Phosphate
HPO_4(2-)
Dihydrogen Phosphate
H_2PO_4(2-)
Carbonate
CO_3(2-)
Hydrogen Carbonate or Bicarbonate
HCO_3-
Hypochlorite
ClO-
Chlorite
ClO_2-
Chlorate
ClO_3-
Perchlorate
ClO_4-
Acetate
C_2H_3O_2- or CH_3COO-
Permanganate
MnO_4-
Dichromate
Cr_2O_7(2-)
Chromate
CrO_4(2-)
Peroxide
O_2(2-)
Hydride ion
H-
Fluoride Ion
F-