Hg2
Mercury (I) and 2+
NH4
Ammonium and +
NO2
Nitrite and -
NO3
Nitrate and -
SO3
Sulfite and 2-
SO4
Sulfate and 2-
HSO4
Hydrogen sulfate (bisulfate) and -
OH
Hydroxide and -
CN
Cyanide and -
PO4
Phosphate and 3-
HPO4
Hydrogen phosphate and 2-
H2PO4
Dihydrogen phosphate and -
SCN
Thiocyanate and -
CO3
Carbonate and 2-
HCO3
Hydrogen carbonate and -
ClO
Hypochlorite and -
ClO2
Chlorite and -
ClO3
Chlorate and -
ClO4
Perchlorate and -
C2H3O2
Acetate and -
MnO4
Permanganate and -
Cr2O7
Dichromate and 2-
CrO4
Chromate and 2-
O2
Peroxide and 2-