Hg2
2+
Mercury(I)
NH4
+
Ammonium
NO2
-
Nitrite
NO3
-
Nitrate
SO3
2-
Sulfite
SO4
2-
Sulfate
HSO4
-
Hydrogen sulfate/ bisulfate
OH-
Hydroxide
CN-
Cyanide
PO4
3-
Phosphate
HPO4
2-
Hydrogen phosphate
H2PO4
-
Dihydrogen phosphate
NCS-/SCN-
Thiocyanate
CO3
2-
Carbonate
HCO3
-
Hydrogen carbonate/ bicarbonate
ClO-/ OCl-
Hypochlorite
ClO2
-
Chlorite
ClO3
-
Chlorate
ClO4
-
Perchlorate
C2H3O2
-
Acetate
MnO4
-
Permanganate
Cr2O7
2-
Dichromate
CrO4
2-
Chromate
O2
2-
Peroxide
C2O4
2-
Oxalate
S2O3
2-
Thiosulfate
Fe3+
Iron(III)
Fe2+
Iron(II)
Cu2+
Copper(II)
Cu+
Copper(I)
Co3+
Cobalt(III)
Co2+
Cobalt(II)
Sn4+
Tin(IV)
Sn2+
Tin(II)
Pb4+
Lead(IV)
Pb2+
Lead(II)
Hg2+
Mercury(II)