Shapes of Organic Molecules; σ & π Bonds (Cambridge (CIE) AS Chemistry): Revision Note
Exam code: 9701
Straight, Branched & Cyclic Molecules
Straight, branched and cyclic organic molecules are also called aliphatic compounds as long as they do not contain a benzene ring
Straight-chain
Straight-chain organic molecules are those in which the carbon atoms are connected to each other in one continuous chain
A straight-chain organic molecule

Branched
Branched organic molecules have side groups attached to the main chain of carbon atoms
A branched organic molecule

Cyclic
Cyclic organic molecules are those in which the carbon atoms are connected to each other in a ring shape
A cyclic organic molecule

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