chapter_10_handouts

chapter_10_handouts - Chapter 10 Chemical Bonding II:...

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Chapter 10 Chemical Bonding II: Molecular Geometry and Hybridization of Atomic Orbitals Molecular Geometry ― Valence shell electron pair repulsion (VSEPR) model: Predict the geometry of the molecule from the electrostatic repulsions between the electron (bonding and nonbonding) pairs. Class # of atoms bonded to central atom # lone pairs on central atom Arrangement of electron pairs Molecular Geometry Valence shell is the outermost electron-occupied shell of an atom; it holds the electrons that are usually involved in bonding. AB 2 2 0 linear linear B B AB 3 3 0 trigonal planar trigonal planar
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Class # of atoms bonded to central atom # lone pairs on central atom Arrangement of electron pairs Molecular Geometry VSEPR AB 4 4 0 tetrahedral tetrahedral AB 5 5 0 trigonal bipyramidal trigonal bipyramidal
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Molecules in which the central atom has one or more lone pairs bonding-pair vs. bonding pair repulsion lone-pair vs. lone pair repulsion lone-pair vs. bonding pair repulsion > >
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Class # of atoms bonded to central atom # lone pairs on central atom Arrangement of electron pairs Molecular Geometry VSEPR AB 3 3 0 trigonal planar trigonal planar AB 2 E 2 1 trigonal planar bent AB 4 4 0 tetrahedral tetrahedral AB 3 E 3 1 tetrahedral trigonal pyramidal AB 2 E 2 2 2 tetrahedral bent
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This note was uploaded on 02/10/2011 for the course CHEM 201 taught by Professor Griffen during the Fall '09 term at Bunker Hill.

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chapter_10_handouts - Chapter 10 Chemical Bonding II:...

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