These are chemical formulas for the following compounds:
CH4 - MethaneCH2 - Not a valid chemical formulaC2H6 - EthaneC2H4 - EthyleneCl2 - Chlorine gas
These are chemical formulas for the following compounds:
CH4 - Methane
CH2 - Not a valid chemical formula
C2H6 - Ethane
C2H4 - Ethylene
Cl2 - Chlorine gas