Exam 3-1.4 - nuclei) or antibonding (electrons on the...

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Sample Exam 3-1 Dr. V. Williamson © Vickie M. Williamson 2007, All Rights Reserved 14. Which one of the following represents a correct set of quantum numbers for an electron in an atom? (arranged as n, 1, m 1 , and m s ) A. 1,0,0,1/2 B. 5,4,-5,1/2 C. 2,2,-1,-l/2 D. 3,3,3,1/2 E. 2,0,0,1 15. The molecule ZC1 4 has 2 lone pairs of electrons and sp 3 d 2 hybridization. What would you predict about the polarity of the bonds and of the molecule? A. nonpolar bonds, B. polar bonds, C. polar bonds, polar molecule polar molecule nonpolar molecule D. nonpolar bonds, E. polar bonds, nonpolar molecule partially polar molecule 16. Which of the following is INCORRECT? A. Molecular orbital theory describes how molecular orbitals are formed from atomic orbitals and that these molecular orbitals can be bonding (electrons between the two
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Unformatted text preview: nuclei) or antibonding (electrons on the outside of each nuclei). B. VSEPR theory describes how the geometry of molecules are formed when valence electron pairs are arranged around the central atom with maximum separation C. The oxidation number of Cr in Cr 2 O 7 2-is +6. D. The oxidizing agent is the following net ionic equation is Fe. Fe(s) + Cu 2+ (aq) --> Cu(s) + Fe 2+ (aq) E. Valence Bond theory assumes that covalent bonds are formed when atomic orbitals on different atoms- overlap or hybridize. 17. (6.5 pts) The respective hybridizations of bromine in BrF 5 and arsenic in AsF 5 are A. sp 3 d 2 and sp 3 d 2 B. sp 3 and sp 3 d C. sp 3 d and sp 3 d 2 D. sp 3 d and sp 3 E. sp 3 d 2 and sp 3 d...
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