Chapter 10 - Shapes of Molecules Handout II

Chapter 10 - Shapes of Molecules Handout II - The Shapes of...

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10-1 The Shapes of Molecules II The Shapes of Molecules II Valence-Shell Electron-Pair Repulsion (VSEPR) Theory and Molecular Shape molecular shapes as function of molecular bonds shapes with more than one central atom Molecular Shape and Molecular Polarity polarity as a function of shape molecular behavior as a function of polarity
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10-2 Shape of a molecule determines its reactions with other molecules Are regions in a molecule close enough to reactive regions in another molecule to interact? Simple model to predict shapes and geometries of molecules Generalizations across different disciplines of chemistry Organic chemistry Inorganic chemistry Biochemistry Some information needed Which atoms are bonded together? Lewis structure of molecules VSEPR - Valence Shell Electron Pair Repulsion Theory
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10-3 Assumptions Assumptions Atoms in a molecule are bound together by electron pairs: bonding pairs More than one set of bonding pairs of electrons may bind any two atoms together multiple bonding Some atoms in a molecule may contain pairs of electrons not involved in bonding lone pairs or non-bonded pairs Bonding pairs and lone pairs around any atom in a molecule adopt positions in which their mutual interactions are minimized Electron pairs are negatively charged and will get as far apart from each other as possible . VSEPR - Valence Shell Electron Pair Repulsion Theory
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10-4 VSEPR - Valence Shell Electron Pair Repulsion Theory Configuration around central atom Configuration around central atom
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