Ammonium
NH4+
Hydronium
H3O+
Nitrate
NO3-
Nitrite
NO2-
Hydrogen carbonate
HCO3-
Hydrogen sulfate
HSO4-
Dihydrogen phosphate
H2PO4-
Hydroxide
OH-
Permanganate
MnO4-
Thiocynate
SCN-
Hypochlorite
OCl-
Ethanoate (acetate)
CH3COO-
Carbonate
CO32-
Sulfate
SO42-
Sulfite
SO32-
Hydrogen phosphate
HPO42-
Dichromate
Cr2O7-
Silicate
SiO32-
Phosphate
PO43-
Thisulfate
S2O32-
Silver
Ag+
Zinc
Zn2+
Nickel
Ni2+
Chromate
CrO42-