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Pauling's theory

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  • Pauling, Linus — ▪ American scientist Introduction in full  Linus Carl Pauling  born February 28, 1901, Portland, Oregon, U.S. died August 19, 1994, Big Sur, California  American theoretical physical chemist who became the only person to have won two unshared… …   Universalium

  • Pauling , Linus Carl — (1901–1994) American chemist Pauling, a pharmacist s son, was born at Portland, Oregon, and graduated in chemical engineering from Oregon State Agricultural College in 1922. Having gained his PhD in physical chemistry from the California… …   Scientists

  • theory — A reasoned explanation of known facts or phenomena that serves as a basis of investigation by which to seek the truth. SEE ALSO: hypothesis, postulate. [G. theoria, a beholding, speculation, t., fr. theoros, a beholder] adsorption t. of narcosis… …   Medical dictionary

  • Pauling — Linus C., U.S. chemist and Nobel laureate, 1901–1994. See P. theory, P. Corey helix …   Medical dictionary

  • Linus Pauling — Infobox Scientist name = Linus Pauling caption = Linus Pauling in 1954 birth date = birth date|1901|2|28|df=y birth place = Portland, Oregon, USA residence = United States nationality = United States death date = death date and… …   Wikipedia

  • Valence bond theory — In chemistry, valence bond theory explains the nature of a chemical bond in a molecule in terms of atomic valencies. [Murrel, JN, Kettle, SF Tedder, JM The Chemical Bond , John Wiley Sons (1985) ISBN 0 471 90759 6] Valence bond theory summarizes… …   Wikipedia

  • resonance, theory of — ▪ chemistry       in chemistry, theory by which the actual normal state of a molecule is represented not by a single valence bond structure but by a combination of several alternative distinct structures. The molecule is then said to resonate… …   Universalium

  • Neutral theory of molecular evolution — The neutral theory of molecular evolution states that the vast majority of evolutionary changes at the molecular level are caused by random drift of selectively neutral mutants (not affecting fitness).[1] The theory was introduced by Motoo Kimura …   Wikipedia

  • Shape theory of olfaction — The Shape theory of smell states that a molecule s particular smell is due to a lock and key mechanism by which a scent molecule fits into olfactory receptors in the nasal epithelium. HistoryIn 1949, R.W. Moncrieff published an article in… …   Wikipedia

  • phlogiston theory — noun : a theory in 18th century chemistry disproved by Lavoisier: every combustible substance is a compound of phlogiston and the phenomena of combustion are due to the liberation of phlogiston with the other constituent left as a residue the… …   Useful english dictionary

  • Orbital overlap — was an idea first introduced by Linus Pauling to explain the molecular bond angles observed through experimentation and is the basis for the concept of orbital hybridisation. s orbitals are spherical and have no directionality while p orbitals… …   Wikipedia

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