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Chemistry - Wikipedia, the free encyclopedia
Chemistry, a branch of physical science, is the study of the composition, properties and behavior of matter. Chemistry is concerned with atoms and their interactions ... http://en.wikipedia.org/wiki/Chemistry
Chemistry
Learn chemistry! Get chemistry help, tutorials, example problems, self-quizzes, and chemistry tools so you can learn the concepts of general chemistry. http://www.101science.com/Chemistry.htm
Chemistry | Define Chemistry at Dictionary.com
noun, plural chem·is·tries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Compare element ... http://dictionary.reference.com/browse/...
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