Alkanes, Only single bonds, Termination -ane, CₙH₂ₙ₊₂, Longest chain, propane, Four sigma bonds, CH3-CH2-CH2-CH2-CH2-CH3, C8H18, Cicloalkanes, Carbon atoms are connected in a ring, cyclobutane, If there is only one substituent, no number is needed, , Alkenes, At least one double bond, Termination –ene, CₙH₂ₙ, Longest chain with double bond, Numbering priority double bond first, Double bond position required, but-1-ene, CH3-CH=CH-CH3, Alkynes, At least one triple bond, Termination –yne, CₙH₂ₙ₋₂, Longest chain with triple bond, Numbering priority triple bond first, Triple bond position required, but-2-yne, CH3-CH2-CH2-C≡CH.

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