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A hexagonal ring arrangement found in benzene and other aromatic compounds, consisting of six carbon atoms with alternating single and double bonds between them, and with each carbon atom bonded to a hydrogen atom, or to other atoms or groups of atoms in derivatives of benzene.
(Elements & Compounds) the hexagonal ring of bonded carbon atoms in the benzene molecule or its derivatives. Also called: benzene nucleus See also Kekulé formula
the graphic representation of the structure of benzene as a hexagon with a carbon atom at each of its points, each carbon atom united with an atom of hydrogen.