0 Hydrocarbons 样华院 Alkane:single bonds,sp3 carbons Cycloalkane:carbons form a ring Alkene:double bond,sp2 carbons Cycloalkene:double bond in ring Alkyne:triple bond,sp carbons Aromatic:contains a benzene ringHydrocarbons „Alkane: single bonds, sp3 carbons „Cycloalkane: carbons form a ring „Alkene: double bond, sp2 carbons „Cycloalkene: double bond in ring „Alkyne: triple bond, sp carbons „Aromatic: contains a benzene rin g