NH4 1+
Ammonium (Only polyatomic cation)
NO2 1-
Nitrite
NO3 1-
Nitrate
SO3 2-
Sulfite
SO4 2-
Sulfate
C2H3O2 1-
Acetate
CO3 2-
Carbonate
CrO4 2-
Chromate
PO4 3-
Phosphate
PO3 3-
Phosphite
IO2 1-
Iodite
IO4 1-
Periodate
CN 1-
Cyanide
HS 1-
Hydrogen Sulfide
C2O4 2-
Oxalate
SCN 1-
Thiocyanide
MnO4 1-
Permanganate
ClO 1-
Hypochlorite
ClO2 1-
Chlorite
ClO3 1-
Chlorate
ClO4 1-
Perchlorate
BrO3 1-
Bromate
IO3 1-
Iodate
OH 1-
Hydroxide