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Unformatted text preview: 313 MODEL BUILDING OBJECTIVES FOR THE EXPERIMENT The student will be able to do the following: 1. Given a molecular formula for a molecule or polyatomic ion, draw the Lewis structure for it. 2. Given a Lewis structure for a molecule or polyatomic ion; a. predict the hybridization for each atom. b. describe and sketch the molecular geometry for it. c. describe each bond as either a sigma, a pi bond, or as part of a delocalized pi system. d. describe how each bond forms in terms of the overlap of atomic orbitals to form molecular orbitals. e. predict whether there is any bond rotation about each bond. 3. Write or identify the definitions for sigma bond, pi bond, and delocalized pi system. BACKGROUND To prepare yourself for the experiment, it is very important that you read the sections in the textbook and your lecture notes that deal with Lewis structures, hybridization, electron group and molecular geometry, sigma bonds, pi bonds, and delocalized pi bonds....
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