Hydrocarbons Organic compounds that octane number

Organic compound. that contain only carbon and hydrogen arc hydrocarbons, which differ from one another by the number of carbon and hydrogen atoms they contain. The simplest hydrocarbon is methane. Cl I4, with only one carbon per molecule. Methane is the main component of natural gas. The hydrocarbon octane, CgH, , has c t carbons per molecule and is a component of gasoline. The hydrocarbon polyethylene contains hundreds of carbon and hydrogen atoms per molecule. Polyethylene is a plastic used to make many items, including milk containers and plastic b s. 

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