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Po, chemical symbol
(Encyclopedia)Po, symbol for the element polonium. ...Cd, chemical symbol
(Encyclopedia)Cd, symbol for the element cadmium. ...Ra, chemical symbol
(Encyclopedia)Ra, symbol for the element radium. ...Le Châtelier's principle
(Encyclopedia)Le Châtelier's principle, chemical principle that states that if a system in equilibrium is disturbed by changes in determining factors, such as temperature, pressure, and concentration of components...enthalpy
(Encyclopedia)enthalpy ĕnˈthălpē [key], measure of the heat content of a chemical or physical system; it is a quantity derived from the heat and work relations studied in thermodynamics. As a system changes fro...Hinshelwood, Sir Cyril Norman
(Encyclopedia)Hinshelwood, Sir Cyril Norman, 1897–1967, British chemist, D.Sc. Oxford, 1924. In 1937 Hinshelwood became a professor at Oxford, where he remained until his retirement in 1964. He shared the 1956 No...molecular modeling
(Encyclopedia)molecular modeling, the computer simulation, by various means, of chemical structures or processes. Special computer-graphics programs can display three-dimensional images of molecular structures and ...compound
(Encyclopedia)compound, in chemistry, a substance composed of atoms of two or more elements in chemical combination, occurring in a fixed, definite proportion and arranged in a fixed, definite structure. A compound...Diels, Otto Paul Hermann
(Encyclopedia)Diels, Otto Paul Hermann, 1876–1954, German chemist, Ph.D. Univ. of Berlin, 1899. From 1899 to 1915, Diehls was on the faculty at the Univ. of Berlin. In 1916, he joined the Univ. of Kiel, where he ...Grignard reagent
(Encyclopedia)Grignard reagent grēnyärdˈ rēāˈjənt [key], any of an important class of extremely reactive chemical compounds used in the synthesis of hydrocarbons, alcohols, carboxylic acids, and other compou...Browse by Subject
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