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Untitled - Kelly Walsh High School

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Molecular Geometry and Hybridization 155<br />

7. Determine the hybridization of the central atom for each of the following.<br />

a. SF4 b. XeF2 + c. NH4 8. Determine the hybridization of the central atom for each of the following.<br />

a. SF6 b. CS2 9. Which of the following molecules are polar?<br />

a. H2S b. Cl2O c. BF3 10. Which of the following molecules are polar?<br />

a. SF4 b. XeF2 11. Which of the following molecules are polar?<br />

a. SF6 b. CS2 ANSWER KEY<br />

1. Valence shell electron pair repulsion<br />

2. See Figure 10-1<br />

See the problems at the end of Chapter 9 for the Lewis structures needed for<br />

questions 3–11.<br />

3. a. bent b. bent c. trigonal planar<br />

4. a. distorted tetrahedral b. linear c. tetrahedral<br />

5. a. octahedral b. linear<br />

6. a. sp3 b. sp3 c. sp2 7. a. sp3d b. sp3d c. sp3 8. a. sp3d2 b. sp<br />

9. a. polar b. polar c. nonpolar<br />

10. a. polar b. nonpolar<br />

11. a. nonpolar b. nonpolar

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