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Line 3: − Alkanes come in two forms: branched and n-alkanes+ + + + + + + + +
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Alkanes are insoluable in water, and have a lower density thus making them float atop water.
Alkanes are insoluable in water, and have a lower density thus making them float atop water.
When alkanes have more than three carbon atoms, they can be arranged in different ways, in a line or branched fashion. The different arrangements are called isomers, with standardized nomenclature to describe the isomeric forms. See [[IUPAC nomenclature]].
Linear chained alkanes with fewer than 4 carbon atoms have special names:
* 1 carbon atom : Methane, CH<sub>4</sub>
* 2 carbon atoms: Ethane, C<sub>2</sub>H<sub>6</sub>
* 3 carbon atoms: [[Propane]], C<sub>3</sub>H<sub>8</sub>
* 4 carbon atoms: Butane, C<sub>4</sub>H<sub>10</sub>
When alkanes have more than 4 carbon atoms, they are named using a greek numeral prefix plus '''-ane''' suffix, e.g. pentane (C<sub>5</sub>H<sub>12</sub>), hexane (C<sub>6</sub>H<sub>14</sub>).
==See also==
==See also==