Exam 3-1.3 - 2 0 molecule? A. -3 B. +4 C. -1 D. 0 E. +1....

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Sample Exam 3-1 Dr. V. Williamson © Vickie M. Williamson 2007, All Rights Reserved 8. The Lewis electron-dot structure of HCN (H bonded to C) A. gives N 2 nonbonding (unshared) electron pairs B. gives N 1 nonbonding (unshared) electron pair C. gives C 2 nonbonding (unshared) electron pairs D. gives H 1 nonbonding (unshared) electron pair E. gives C 1 nonbonding (unshared) electron pair 9. There are ___ σ and ____ π bonds, respectively, in the following molecule. H H H H C C C A. 6 sigma, 2 pi B. 5 sigma, 1 pi C. 6 sigma, 0 pi D. 5 sigma, 3 pi E. 6 sigma, 1 pi 10. What is the formal charge on the central N atom in the N
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Unformatted text preview: 2 0 molecule? A. -3 B. +4 C. -1 D. 0 E. +1. 11. How many resonance forms can be drawn for the SO 3 molecule (sulfur trioxide)? A. 2 B. 0 C. 1 D. 3 E. 4 12. Which one of the following is the electron configuration (in order of increasing energy) for the V 2+ ion? A. 1s 2 2s 2 2p 6 3s 2 3p 6 4s 3d 5 B. 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 5 C. 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 3 D. 1s 2 2s 2 2p 6 3s 2 3p 6 4s 3d 3 E. 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 1 13. What is the approximate O to P to Cl angle in the following molecule is: Cl O P A. 109 B. 90 C. 45 D. 180 E. 120...
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