9-28-11-Compounds

9-28-11-Compounds - 9-28-111Compounds and MoleculesLynn A....

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Unformatted text preview: 9-28-111Compounds and MoleculesLynn A. MeltonUniversity of Texas at DallasSeptember 28, 2011Bonding9-28-112dissociation energybond lengthCovalent BondingIn a covalent bond, each electron in a shared pair is attracted to the nuclei of both atoms. It is this attraction that holds the two atoms together textbook, p 149.9-28-113Lewis Dot SymbolsA method for displaying the valence electrons of atomsLewis dot symbol the elements symbol surrounded by dots, where each dot represents a valence electronBecause transition metals have incompletely filled inner shells, they are generally not represented with Lewis dot symbols.9-28-114Lewis Dot Symbols9-28-115Lewis StructuresOctet Rule [works for first and second periods] : Atoms will lose, gain, or share electrons in order to achieve a noble gas configuration.9-28-116Drawing Lewis Structures (1)1. Draw the (proposed) skeletal structure of the compound....
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9-28-11-Compounds - 9-28-111Compounds and MoleculesLynn A....

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