Chem 1 exam 3 fall 07 - Chemistry 1450; Exam 3 Fall 2007...

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Chemistry 1450; Exam 3 Fall 2007 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following represent electron configurations that violate the Pauli exclusion principle? (A) [Ne]3 s 1 3 p 5 (B) [Kr]4 d 12 5 s 2 5 p 3 (C) [Ar]3 d 10 4 s 2 4 p 2 A) only (A) B) only (B) C) (A) and (B) D) (B) and (C) 1) 2) Which grouping of elements, indicated by letter on the periodic table above, represents the f -block elements? A) A B) B C) C D) D 2) 3) What are the possible values of l if n = 5? A) -4, -3, -2, -1, 0, +1, +2, +3, or +4 B) 0, 1, 2, 3, or 4 C) 5 D) -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, or +5 3) 4) Which electron affinity process would liberate the most energy? A) [He] 2 s 2 2 p 6 + e - • [He] 2 s 2 2 p 6 3 s 1 B) [He] 2 s 2 2 p 3 + e - • [He] 2 s 2 2 p 4 C) [He] 2 s 2 + e - • [He] 2 s 2 2 p 1 D) [He] 2 s 2 2 p 2 + e - • [He] 2 s 2 2 p 3 4) 5) Which of the following have their valence electrons in the same shell? A) K, As, Br B) He, Ne, F C) B, Si, As D) N, As, Bi 5) 6) Indicate which is larger in each of the following two sets. (I) Cr 3+ or Cr (II) Se 2- or Se A) Cr is larger than Cr 3+ and Se 2- is larger than Se. B) Cr is larger than Cr
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This test prep was uploaded on 04/10/2008 for the course CHEM 1450 taught by Professor Taylor during the Fall '07 term at University of Central Arkansas.

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Chem 1 exam 3 fall 07 - Chemistry 1450; Exam 3 Fall 2007...

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