Hydrocarbons can be divided into saturated, unsaturated and aromatic hydrocarbons. Saturated hydrocarbons contain only single bonds. They are called [[alkane]]s. Unsaturated hydrocarbons contain double bounds ([[alkene]]s) or triple bounds ([[alkyne]]s). | Hydrocarbons can be divided into saturated, unsaturated and aromatic hydrocarbons. Saturated hydrocarbons contain only single bonds. They are called [[alkane]]s. Unsaturated hydrocarbons contain double bounds ([[alkene]]s) or triple bounds ([[alkyne]]s). |