Chemical Formulas

Nitrous oxide Nitric oxide Nitrogen dioxide Nitric acid
N2O NO NO2 HNO3
Calcium Carbonate
CaCO3
Methane
CH4
Ozone
O3
Ammonia Ammonium Ions
NH3 NH4+
Methyl mercury
[CH3Hg]+
Nitrite Ions Nitrate Ions
NO2 NO3
Methyl Bromide
CH3Br
Phosphate Ions
PO43-
Carbon monoxide  Carbon dioxide
CO CO2
Sulfur dioxide  Sulfur trioxide
SO2 SO3
Sulfuric Acid
H2SO4
Hydrogen sulfide
H2S
Carbonate ions  Bicarbonate ions
CO32– HCO3
Dichlorodifluoromethane = Freon 12 (CFC-12)
CCl2F2
Chlorine Monoxide
ClO
Trichlorofluoromethane=Freon 11 (CFC-11)
CCl3F
Ethane Propane Butane
C2H6 C3H8 C4H10