Chemistry (from Egyptian kēme (chem), meaning "earth") is the science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions.Historically, modern chemistry evolved out of alchemy following the chemical revolution (1773).
http://en.wikipedia.org/wiki/Chemistry
October 30, 2008
Online SMILES Translator and Structure File Generator
Online SMILES Translator and Structure File Generator
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