1372 Lec 06OCT2011 - 1 General Chemistry 4th edition Hill Petrucci McCreary Perry 2 General Chemistry 4th edition Hill Petrucci McCreary Perry 3

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General Chemistry 4 th edition, Hill, Petrucci, McCreary, Perry 10 Tetragonal, with 2 lone pairs (AX 2 E 2 ), called angular
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General Chemistry 4 th edition, Hill, Petrucci, McCreary, Perry 12 Tetrahedral, with one lone pair (AX 3 E)—called trigonal pyramidal
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General Chemistry 4 th edition, Hill, Petrucci, McCreary, Perry 13 Polar Molecules and Dipole Moments A polar bond (Chapter 9) has separate centers of partial positive and negative charge. A molecule with separate centers of partial positive and negative charge is a polar molecule. The dipole moment ( μ ) of a molecule is the product of the magnitude of the partial charge ( δ ) and the distance ( d ) that separates the centers of partial positive and negative charge. μ = δ d A unit of dipole moment is the debye (D) . One debye (D) is 3.34 x 10 –30 C m (coulomb meters)
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General Chemistry 4 th edition, Hill, Petrucci, McCreary, Perry 14 A polar covalent bond has a bond dipole ; a separation of positive and negative charge centers in an individual bond. Bond dipoles have both a
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This note was uploaded on 12/19/2011 for the course CHEM 1372 taught by Professor Staff during the Spring '08 term at University of Houston.

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1372 Lec 06OCT2011 - 1 General Chemistry 4th edition Hill Petrucci McCreary Perry 2 General Chemistry 4th edition Hill Petrucci McCreary Perry 3

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