ammonium
NH4+
nitrite
NO2-
nitrate
NO3-
sulfite
SO3-2
sulfate
SO4-2
hydrogen sulfate (bisulfate)
HSO4-
hydroxide
OH-
cyanide
CN-
phosphate
PO4-3
hydrogen phosphate
HPO4-2
dihydrogen phosphate
H2PO4-
thiocyanate
NCS-
carbonate
CO3-2
hydrogen carbonate
HCO3-
hypochlorite
ClO-
chlorate
ClO3-
perchlorate
ClO4-
acetate
C2H3O2-
permanganate
MnO4-
dichromate
Cr2O7-2
chromate
CrO4-2
hydrochloric acid
HCl
hydrobromic acid
HBr
hydroiodic acid
HI