Ammonium
NH4
Hydronium
H3O
Acetate
C2H3O2
Hydroxide
OH
Cyanide
CN
Cyanate
OCN
Thiocyanate
SCN
Perchlorate
ClO4
Chlorate
ClO3
Chlorite
ClO2
Hypochlorite
ClO
Nitrate
NO3
Nitrite
NO2
Bromate
BrO3
Iodate
IO3
Hydrogen sulfate
HSO4
Permanganate
MnO4
Periodate
IO4
Hydrogen carbonate
HCO3
Dihydrogen phosphate
H2PO4