Series05LewisDotStructures

Series05LewisDotStructures - Lewis Dot Structures Reading:...

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Lewis Dot Structures Reading: Gray: (2-1), (2-7), (2-11) to (2-13) OGC: (3.5) to (3.8) V-1
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Periodic Chemical Reactivity Reactions with hydrogen to form hydrides: Reactions with Fuorine: Reactions with oxygen: Can we predict these structures? Can we understand their properties? Yes, we can! We use Lewis dot structures based on valence electrons. vs. ± 2 LiH vs. (notice electronegativity difference) ionic covalent Li 2 O vs. CO 2 vs. ± 2 O V-2
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G.N. Lewis Person of the Day V-3
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GILBERT NEWTON LEWIS (1875-1946) "Heavy Water" Gilbert Newton Lewis, one of the most influential and admired scientists of the twentieth century, was a pioneer in both chemistry and physics. Born in Weymouth Landing, Massachusetts in 1875, Lewis was reading by the age of 3. He entered college at age 15, then transferred to Harvard University, where he earned a B.S. (1896) and Ph.D. (1899). His research concentrated on thermodynamics and valence theory (on the behavior of electrons when atoms combine). From this early work on valence, Lewis developed the concept of the covalent bond, and invented the "Lewis symbols" which are still used to describe ways in which atoms bond. Lewis taught at Harvard and MIT before becoming a Professor and Dean at the University of California at Berkeley, whose then languishing College of Chemistry he single-handedly transformed into one of the nation's best. Lewis became the mentor to 290 Ph.D. recipients and 20 Nobel Prize winners . For example, he directed the experiments that resulted in the discovery of elements 93-106. In his own work, Lewis combined strict discipline in collecting and organizing data with innovative
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This note was uploaded on 10/27/2010 for the course CH 1a taught by Professor Lewis during the Fall '08 term at Caltech.

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Series05LewisDotStructures - Lewis Dot Structures Reading:...

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