Ammonium
NH4
1+
Hydroxide
OH
1-
Cyanide
CN
1-
Thiocyanate
SCN
1-
Acetate
CH3CO2
or
CHCHCOOH
1-
Sulfite
SO3
2-
Sulfate
SO4
2-
Hydrogen Sulfate
HSO4
1-
Thiosulfate
S2O3
2-
Phosphate
PO4
3-
Hydrogen Phosphate
HPO4
2-
Dihydrogen Phosphate
H2PO4
1-
Cyanate
OCN
1-
Peroxide
O2
2-
Borate
BO3
3-
Nitrite
NO2
1-
Nitrate
NO3
1-
Hypochloride
ClO
1-
Chlorite
ClO2
1-
Chlorate
ClO3
1-
Perchlorate
ClO4
1-
Carbonate
CO3
2-
Hydrogen Carbonate
HCO3
1-
Oxalate
C2O4
2-