Ammonium
NH4
Plus one
Nitrate
NO3
Minus one
Hydroxide
OH
Minus one
Bicarbonate
Hydrogen carbinate
HCO3
Negative one
Chlorate
CLO3
Minus one
Carbonate
CO3
Minus two
Sulphite
SO3
Minus two
Sulphate
SO4
Minus 2
Borate
BO3
Minus three
Phosphite
PO3
Minus 3
Phosphate
PO4
Minus three
Hydronium
H3O
Plus one
Nitrate
NO3
Minus one
Nitrite
NO2
Minus one
Permanganate
MnO4
Minus one