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Formulae you need to know


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H2O
Water
H2SO4
Sulphuric Acid
HNO3
Nitric Acid
HCl(aq)
Hydrochloric Acid (in water)
NH3(g)
Ammonia
CH4
Methane
C2H6
Ethane
C3H8
Propane
C4H10
Butane
C2H4
Ethene
C3H6
Propene
C4H8
Butene
H2
Hydrogen
O2
Oxygen
Cl2
Chlorine