Acetate
C2H3O2−
Bicarbonate (or hydrogen carbonate)
HCO3−
Bromate
BrO3−
Chlorate
ClO3−
Chlorite
ClO2−
Cyanide
CN−
Hydroxide
OH−
Hypochlorite
ClO−
Iodate
IO3−
Nitrate
NO3−
Nitrite
NO2−
Perchlorate
ClO4−
Permanganate
MnO4−
Thiocyanate
SCN−
Carbonate
CO32−
Chromate
CrO42−
Dichromate
Cr2O72−
Peroxide
O22−
Silicate
SiO32−
Sulfate
SO42−
Sulfite
SO32−
Phosphate
PO43−
Phosphite
PO33−
Ammonium
NH4+
Diatomic Molecules
H2, N2, O2, F2, Cl2, Br2, I2
Ammonia
NH3
Carbon Dioxide
CO2
Methane
CH4
Water
H2O