The molecular structure of hydrocarbon compounds varies from the simplest, methane (CH4) to very heavy and very complex structures such as that of octane (C8H18), for example, a constituent of crude oil which is one of the heavier and more-complex hydrocarbons.
The molecular structure of hydrocarbon compounds varies from the simplest, methane (CH4) to very heavy and very complex structures such as that of octane (C8H18), for example, a constituent of crude oil which is one of the heavier and more-complex hydrocarbons.