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a hexagonal structure with an atom of carbon at each angle, each united to one atom of hydrogen, and on one side a double link or bond, and on the other a single one, connecting it with the next carbon atom, the quadrivalency of each atom being thereby satisfied.
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August Kekulé.
Born at Darmstadt, 1829; died at Bonn, 1896.
The formula is depicted in the margin, and is generally accepted; but it ought to be stated that it has rivals, though all are founded on the necessity of providing for the saturation of the four links of the carbon atoms.
H
C
/\\
HC CH
|| |
HC CH
\ //
C
||
