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allotropy
(Encyclopedia) allotropyallotropyəlŏˈtrəpē [key] [Gr.,=other form]. A chemical element is said to exhibit allotropy when it occurs in two or more forms in the same physical state; the forms are…Levitt, Michael
(Encyclopedia) Levitt, Michael, 1947–, British-Israeli-American biophysicist, b. South Africa, Ph.D. Cambridge, 1971. Levitt was a faculty member at Cambridge from 1974 to 1979 and at the Weizmann…Karplus, Martin
(Encyclopedia) Karplus, Martin, 1930–, Austrian-American theoretical chemist, b. Vienna, Ph.D. California Institute of Technology, 1953. He has been a professor at Harvard since 1967, studying the…Warshel, Arieh
(Encyclopedia) Warshel, Arieh, 1940–, Israeli-American chemist, b. Kibbutz Sde Nahum (in what is now Israel), Ph.D. Weizmann Institute, 1969. He has been a professor at the Univ. of Southern…Höchst
(Encyclopedia) HöchstHöchsthökhst [key], industrial district of Frankfurt, in Hesse, central Germany. It is a leading center of the German chemical industry and was formerly the site of the I. G.…insecticides
(Encyclopedia) insecticides, chemical, biological, or other agents used to destroy insect pests; the term commonly refers to chemical agents only. The liabilities of chemical insecticides have…Butlerov, Aleksandr Mikhailovich
(Encyclopedia) Butlerov, Aleksandr MikhailovichButlerov, Aleksandr Mikhailovichəlyĭksänˈdər mēkhīlˈəvĭch b&oomacr;tˈlyərôf [key], 1825–86, Russian chemist. As professor at the Univ. of Kazan he…physical chemistry
(Encyclopedia) physical chemistry, branch of science that combines the principles and methods of physics and chemistry. It provides a fundamental theoretical and experimental basis for all of…stereochemistry
(Encyclopedia) stereochemistry, study of the three-dimensional configuration of the atoms that make up a molecule and the ways in which this arrangement affects the physical and chemical properties…Zewail, Ahmed Hassan
(Encyclopedia) Zewail, Ahmed Hassan, 1946–2016, Egyptian-American chemist, b. Damanhur, Egypt, Ph.D. Univ. of Pennsylvania, 1974. He became a U.S. citizen in 1982. A professor at the California…Trending
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