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Unformatted text preview: CHM 111 Name_________________________________ Exam 2 Part 1. Multiple Choice (67%) Choose the one alternative that best completes the statement or answers the question. USE CAPITAL LETTERS. 1) The greater the energy of a photon, the A) shorter the wavelength and the lower the frequency. B) longer the wavelength and the higher the frequency. C) shorter the wavelength and the higher the frequency. D) longer the wavelength and the lower the frequency. 1) The spheres below represent atoms of Sb, As, P, and N (not necessarily in that order). 2) Which one of these spheres represents an atom of As? A) sphere (a) B) sphere (b) C) sphere (c) D) sphere (d) 2) 3) For the fourth- shell orbital shown below, what are the principal quantum number, n , and the angular momentum quantum number, l ? A) n = 4 and l = B) n = 4 and l = 1 C) n = 4 and l = 2 D) n = 4 and l = 3 3) 4) According to the Heisenberg uncertainty principle, A) the momentum of a particle cannot be measured precisely. B) neither the position nor the momentum of a particle can be measured precisely. C) the position of a particle cannot be measured precisely. D) the position and momentum of a particle can be measured precisely, but not at the same time. 4) 1 5) What is the oxidation number of the sulfur atom in H 2 SO 4 ? A) + 2 B)- 2 C) + 4 D) + 6 5) 6) What is the ground- state electron configuration of tellurium? A) [Kr]4 d 10 5 s 2 5 p 4 B) [Kr]4 f 14 4 d 10 5 s 2 5 p 4 C) [Kr]5 s 2 5 p 6 5 d 8 D) [Kr]5 s 2 5 p 4 6) 7) Which orbital- filling diagram violates Hund s rule?...
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- Summer '08