1. Molecular geometry Chapter 6.5

2. Objectives Explain VSEPR theory Predict the shapes of molecules or polyatomic ions using VSEPR theory Explain how the shapes of molecules are accounted for by the hybridization theory Describe dipole-dipole forces, hydrogen bonding, induced dipoles, and London dispersion forces Explain what determines molecular polarity

5. Only two atoms, always linear shape

7. No repulsion

8. LinearAB2 F Be F

10. No repulsion

12. Equal distance

13. TetrahedralAB4

16. Repulsion

18. Repulsion

19. Bent 0r angularAB2E2

21. SF6, Octahedral AB6

23. Orbitals of equal energy produced by the combination of two or more orbitals on the same atom.

24. Other hybrids:

25. sp2 : trigonal planar

27. sp2 Hybrid B __ __ __ __ __ 1s 2s 2p

28. spHybrid Be __ __ __ __ __ 1s 2s 2p

33. Carbon tetrachloride, CCl4