Ammonium
NH4(+)
Mercury
Hg2(2+)
Acetate
C2H3O2(-)
Bicarbonate (hydrogen carbonate)
HCO3(-)
Bisulfate (hydrogen sulfate)
HSO4(-)
Bisulfite (hydrogen sulfite)
HSO3(-)
Cyanide
CN(-)
Bromate
BrO3(-)
Perchlorate
ClO4(-)
Chlorate
ClO3(-)
Chlorite
ClO2(-)
Hypochlorite
ClO(-)
Hydroxide
OH(-)
Nitrate
NO3(-)
Nitrite
NO2(-)
Permanganate
MnO4(-)
Dihydrogen Phosphate
H2PO4(-)
Thiocynate
NCS(-)
Carbonate
CO3(2-)
Chromate
CrO4(2-)
Dichromate
Cr2O7(2-)
Hydrogen Phosphate
HPO4(2-)
Sulfate
SO4(2-)
Sulfite
SO3(2-)
Oxalate
C2O4(2-)
Peroxide
O2(2-)
Phosphate
PO4(3-)