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chemical > isomer

Preferred term

isomer  

Definition

  • 1) Two or more compounds having the same molecular formula, but a different arrangement of atoms within the molecule. 2) One of two or more chemical substances having the same elementary percentage composition and molecular weight but differing in structure, and therefore in properties; there are many ways in which such structural differences occur.

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URI

http://www.eionet.europa.eu/gemet/concept/4519

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