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Exam #4 Review Session

Exam #4 Review Session . Chem 111, Fall 2009. Bond Properties. Length Order Strength Polarity. Periodic Table. Bond Properties. Which atom is more electronegative? B or C N or P Which bond is most polar? C-C or C-O or C-F

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Exam #4 Review Session

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  1. Exam #4 Review Session Chem 111, Fall 2009

  2. Bond Properties • Length • Order • Strength • Polarity

  3. Periodic Table

  4. Bond Properties • Which atom is more electronegative? • B or C • N or P • Which bond is most polar? • C-C or C-O or C-F • C-O or C-S • Which bond is the longest? • C-O or C-F • C-O or C=O

  5. Lewis StructuresWhy We Love Them (and you know we do!) • Drawing a Lewis Structure: • Calculating formal charge • Determining which resonance structure is best • Use Lewis Structure to: • Determine bond order • Determine electron pair and molecular geometry • Calculate formal charge and oxidation numbers • Determine hybridization and bond types

  6. Draw a Lewis Structure for CS2

  7. Periodic Table

  8. Formal Charges and Oxidation Numbers : : : : : :

  9. Molecular Geometry

  10. Molecular Geometry for Propane, 1-Propanol, and Propene : :

  11. Hybridization and Bond Types for Propane, 1-Propanol, and Propene : :

  12. Hybrid Orbital Geometry

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