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Chemistry 121, Winter 2008, LA Tech
Constitutional isomers
Compounds with the same number and type of atoms but with different arrangements.
Molecular Formula C5H12
Condensed structural formulas.
CH3CH2CH2CH2CH3                 pentane
CH3CH(CH3)CH2CH3 2-methylbutane
(CH3)4C 2,2-dimethylpropane
All are constitutional isomers of C5H12.