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Alkanes are saturated hydrocarbons. Saturated means that the hydrocarbon has only single bonds and that the hydrocarbon contains the maximum number of hydrogen atoms for each carbon atom. Unsaturated hydrocarbons contain multiple bonding and contain less than the maximum number of hydrogens per carbon.
1. Alkanes-Are saturated hydrocarbons that therefore contain only hydrogen and carbon atoms bonded to each other, and typically follow the chemical formula C n H 2n+2. A common example is paraffin.2. Alkenes-These unsaturated hydrocarbons are molecules that contain at least one carbon-to-carbon double bond.lkanes-Are saturated hydrocarbons that therefore contain only hydrogen and carbon atoms bonded to each other, and typically follow the chemical formula C n H 2n+2. A common example is paraffin. 2.