Gilbert lewis biography yahoo dating

University of California, Berkeley [ edit ]. Death [ edit ]. Scientific achievements [ edit ]. This sect includes a list of general referencesbut it lacks sufficient corresponding inline citations. Please help to improve this sect by introducing more precise citations. August Learn how and when to remove this message. Thermodynamics [ edit ].

Valence theory [ edit ]. Acids and bases [ edit ]. Main article: Lewis acids and bases. Heavy water [ edit ]. O 4 Tetraoxygen [ edit ]. Relativity and quantum physics [ edit ]. Other achievements [ edit ]. See also [ edit ]. Wikisource has original works by or about: Gilbert N. References [ edit ]. Obituary Notices of Fellows of the Royal Society.

March 19, Lewis, American chemist". Encyclopedia Britannica. Retrieved March 9, Atomic Heritage Foundation. American Chemical Society. Nature Chemistry. Bibcode : NatCh ISSN American Physical Society. December Retrieved August 4, Philosophical Magazine. Retrieved May 10, October 5, Lewis's Missing Nobel Prize. The Posthumous Nobel Prize in Chemistry.

Volume 1. ACS Symposium Series. American Chemical Society: — Lindau Nobel Mediatheque. Archived from the original on April 11, November 1, Lewis ". Journal of Chemical Education. Bibcode : JChEd. Biographical Memoirs of the National Academy of Sciences. Washington, D. Lewis's Ph. He published the results jointly with his supervisor T. Proceedings of the American Academy of Arts and Sciences.

JSTOR He formulated the idea that covalent chemical bonds are formed through the sharing of electron pairs between atoms, now known as Lewis electron-pair theory. This theory, along with his concept of the octet rule, revolutionized the understanding of chemical bonding. Lewis also made significant contributions to the field of acid-base chemistry.

Inhe developed the Lewis theory of acids and bases, which defined acids as electron-pair acceptors and bases as electron-pair donors. His book, "The Valence and Structure of Atoms and Molecules" published inbecame a classic in the field. Throughout his career, Lewis conducted extensive research on various topics, including the magnetic properties of oxygen, the purest form of heavy water oxide of deuteriumand the study of isotopes.

He also collaborated with Ernest Lawrence on the development of the cyclotron and conducted experiments on elementary particle collisions. In addition to his scientific achievements, Lewis played an active role in World War I as the leader of a chemical defense unit in France. This was the first evidence for tetratomic oxygen. In he published the first of several papers on relativity, in which he derived the mass-energy relationship in a different way from Albert Einstein's derivation.

Inhe and Richard C. Tolman combined his methods with special relativity. In Lewis and Edwin Bidwell Wilson presented a major work in mathematical physics that not only applied synthetic geometry to the study of spacetime, but also noted the identity of a spacetime squeeze mapping and a Lorentz transformation. Inhe coined the term "photon" for the smallest unit of radiant energy light.

Actually, the outcome of his letter to Nature was not what he had intended. In the letter, he proposed a photon being a structural element, not energy. He insisted on the need for a new variable, the number of photons. Although his theory differed from the quantum theory of light introduced by Albert Einstein inhis name was adopted for what Einstein had called a light quantum Lichtquant in German.

InLewis was the first to propose an empirical equation describing the failure of strong electrolytes to obey the law of mass action, a problem that had perplexed physical chemists for twenty years. Over the course of his career, Lewis published on many other subjects besides those mentioned in this entry, ranging from the nature of light quanta to the economics of price stabilization.

In the last years of his life, Lewis and graduate student Michael Kasha, his last research associate, established that phosphorescence of organic molecules involves emission of gilbert lewis biography yahoo dating from one electron in an excited triplet state a state in which two electrons have their spin vectors oriented in the same direction, but in different orbitals and measured the paramagnetism of this triplet state.

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IQ Score. Fields of Expertise. Source Book in Chemistry —pp. Lewis, Edward S. Lewis, Gilbert N. Lewis, Gilbert Newton Valence and the Structure of Atoms and Molecules.

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New York : Chemical Catalog Co. Reprinted, New York : Dover, Thermodynamics and the Free Energy of Chemical Substances. New York: McGraw-Hill. Kauffman, George B. Gilbert Newton Lewis was an American physical chemist whose concept of electron pairs led to modern theories of chemical bonding. His concept of acids and bases was another fundamental contribution.

Gilbert N. Lewis was born at Weymouth, Mass. He received his bachelor's degree in and his doctorate in from Harvard University and then served as instructor in chemistry at Harvard until After a year in Leipzig, Germany, he was in charge of the laboratories of the U. Bureau of Weights and Measures in the Philippine Islands in He became assistant professor of physiochemical research at the Massachusetts Institute of Technology in and full professor in He married Mary H.

Sheldon inand they had three children. Also in he accepted the chairmanship of a small chemistry department at the University of California at Berkeley, where he remained until his death. In Lewis published his famous paper "The Atom and the Molecule," in which he proposed that nonionic molecular compounds were the result of the sharing of electrons among atoms.

He suggested that a chemical bond was produced in the formation of a molecular compound. This involved the sharing of a pair of electrons by two atoms. He called this a covalent bondand it became the basis of the electronic theory of the chemical bond. Lewis made another important scientific observation inwhen he propounded the electron-pair concept of acids and basesin which acids were classified more generally as electron-pair acceptors, and bases as electron-pair donors.

This theory was useful in explaining many reactions otherwise difficult to classify. According to this theory, not only proton-donating compounds are classified as acids. Any compound or ion capable of accepting a pair of electrons to form a new compound is considered to be an acid. In he published Valence and the Structure of Atoms and Molecules.

Three years later he wrote The Anatomy of Science. At Berkeley, Lewis gradually built one of the most powerful and creative chemistry departments in the world. His lectures in thermodynamics drew students from all over the world, many of whom became famous. Many scientists believe that Lewis, who received a large number of science's most prestigious honors, should have become a Nobel laureate in chemistry, but this prize eluded him.

He died on March 23, A good account of Lewis and his work is in Great American Scientists, by the editors of Fortune His major contributions to chemistry are explained on a simple level in Gregory R. Lewis, Gilbert Newton gale. Complete Dictionary of Scientific Biography. Learn more about citation styles Citation styles Encyclopedia.

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Lewis, Gilbert N gale. George B. Kauffman Bibliography " Gilbert Newton Lewis : — Gilbert Newton Lewis gale. Gilbert Newton Lewis Gilbert Newton Lewis was an American physical chemist whose concept of electron pairs led to modern theories of chemical bonding. More From encyclopedia. Updated Aug 24 About encyclopedia. Related Topics valence.

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