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ethylene

(C2H4, ethene)
(compound of two carbon and four hydrogen atoms)

Ethylene (C2H4 or ethene) is a compound of two carbon and four hydrogen atoms. The shape is an H, with two carbon atoms bound by a double bond, each with two hydrogen atoms hanging off. At atmospheric pressure and temperature, it is a gas.

It has been observed in the atmospheres of Neptune and Pluto.


(carbon,hydrogen,compound,chemistry)
http://en.wikipedia.org/wiki/Ethylene

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