Biology - Properties of Carbon - Hydrocarbon Structures and Isomers(article)

"For example, in 2-butene (C₄H₈), the two methyl groups (CH₃) can occupy different positions in relation to the double covalent bond central to the molecule. butene (C₄H₈), the two methyl groups (CH₃) can occupy different positions in relation to the double covalent bond central to the molecule."

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