CHAPTER 08 - Important Read Before Using Slides in Class Instructor This PowerPoint presentation contains photos and figures from the text as well

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Important – Read Before Using Slides in Class Instructor: This PowerPoint presentation contains photos and figures from the text, as well as selected animations and videos. For animations and videos to run properly, we recommend that you run this PowerPoint presentation from the PowerLecture disc inserted in your computer. To run the animations on these slides please click on the icon on each still. If you prefer to customize the presentation or run it without the PowerLecture disc inserted, the animations and videos will only run properly if you also copy the associated animation and video files for each chapter onto your computer. Follow these steps: 1. Go to the disc drive directory containing the PowerLecture disc, and then to the “Media” folder, and then to the “PowerPoint_Lectures” folder. 2. In the “PowerPoint_Lectures” folder, copy the entire chapter folder to your computer. Chapter folders are named “chapter1”, “chapter2”, etc. Each chapter folder contains the PowerPoint Lecture file as well as the animation and video files. For assistance with copying the slide and video files, please visit our Technical Support at www.cengage.com/support or call (800) 423-0563. Thank you.
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8 Molecular Structure & Covalent Bonding Theories
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3 Chapter Goals 1. A Preview of the Chapter 2. Valence Shell Electron Pair Repulsion (VSEPR) Theory 3. Polar Molecules:The Influence of shape 4. Valence Bond (VB) Theory Molecular Shapes and Bonding 1. Linear electronic arrangement: AB2 Species 2. Trigonal Planar electronic arrangement: AB3 Species
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4 Chapter Goals Molecular Shapes and Bonding 1. Tetrahedral electronic arrangement: AB4 Species 2. Tetrahedral electronic arrangement: AB3U Species 3. Tetrahedral electronic arrangement: AB2U2 Species 4. Tetrahedral electronic arrangement – ABU3 Species 5. Trigonal Bipyramidal Geometry 6. Octahedral Geometry
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5 Chapter Goals Molecular Shapes and Bonding 1. Compounds Containing Double Bonds 2. Compounds Containing Triple Bonds 3. A Summary of Electronic and Molecular Geometries
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6 Stereochemistry Stereochemistry is the study of the three dimensional shapes of molecules. Some questions to examine in this chapter are: 1. Why are we interested in shapes? 2. What role does molecular shape play in life? 3. How do we determine molecular shapes? 4. How do we predict molecular shapes?
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7 Two Simple Theories of Covalent Bonding Valence Shell Electron Pair Repulsion Theory Commonly designated as VSEPR Principal originator R. J. Gillespie in the 1950’s Valence Bond Theory Involves the use of hybridized atomic orbitals Principal originator L. Pauling in the 1930’s & 40’s
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8 Overview of Chapter The same basic approach will be used in every example of molecular structure prediction: 1. Draw the correct Lewis dot structure.
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This note was uploaded on 07/18/2011 for the course CHEM 1211 taught by Professor Atwood during the Spring '07 term at University of Georgia Athens.

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CHAPTER 08 - Important Read Before Using Slides in Class Instructor This PowerPoint presentation contains photos and figures from the text as well

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