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To Do

To Do. 7 th Lon- Capa assignment due tomorrow by 10 pm. Quiz #5 on Wednesday, April 13 in Discussion. Read Chapter 10.1, 10.2, and 10.8 and do the suggested homework. VSEPR – General Guidelines. Draw the Lewis structure.

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To Do

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  1. To Do • 7th Lon-Capa assignment due tomorrow by 10 pm. • Quiz #5 on Wednesday, April 13 in Discussion. • Read Chapter 10.1, 10.2, and 10.8 and do the suggested homework.

  2. VSEPR – General Guidelines • Draw the Lewis structure. • If the octet rule is exceeded, add electrons to the central atom. • Multiple bonds count as one direction (or one “effective pair”). • Consider the lone pairs when determining the geometry. • Consider only the atoms when determining the shape. • Polarity comes from asymmetry.

  3. VSEPR Model

  4. The Charge Distribution in the Carbon Dioxide Molecule

  5. The Charge Distribution in the Ammonia Molecule

  6. The Charge Distribution in the Water Molecule

  7. Clicker Question How many of the following molecules are polar? • I. COS • II. CCl4 • III. XeF4 • IV. SF4 a) 0 b) 1 c) 2 d) 3 e) 4

  8. The Valence Orbitals on a Free Carbon Atom

  9. The sp3 hybrid orbital

  10. An Orbital Energy-Level Diagram for sp3 Hybridization

  11. The sp2 hybrid orbital

  12. An Orbital Energy-Level Diagram for sp2 Hybridization

  13. (a)The Orbitals Used to Form the Bonds in Ethylene (b) The Lewis Structure for Ethylene

  14. The sp hybrid orbital

  15. An Orbital Energy-Level Diagram for sp Hybridization

  16. A Set of dsp3 Hybrid Orbitals on Phosphorus Atom

  17. An Octahedral Set of d2sp3 Orbitals on Sulfur Atom

  18. Relationship of the Number of Effective Pairs, Their Spatial Arrangement, and the Hybrid Orbital Set Required

  19. Clicker Question What is the hybridization of the central atom in XeF5+? a) sp b) sp2 c) sp3 d) dsp3 e) d2sp3

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