Molecules {isomer}| with same atoms can have different chemical and physical arrangements. Isomers {structural isomer} can have different chemical bonds among chain atoms. Isomers {functional isomer} can have different chemical bonds among substituents.
To distinguish and name isomer, give atom with highest atomic number highest priority. For atoms with same atomic number, use atomic mass to assign priority. If two or more atoms are the same, go outward from chiral atom, applying same rules to farther atoms. Treat double bonds like two single bonds with atoms.
Physical Sciences>Chemistry>Organic>Bond Orientation>Isomer
5-Chemistry-Organic-Bond Orientation-Isomer
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Date Modified: 2022.0224