Ex1AKeySu05 - CHM 3610 NAME(PRINTED) PROGRESS EXAM #1 KEY...

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CHM 3610 PROGRESS EXAM #1 May 20, 2005 NAME(PRINTED) KEY WHITE Exam SCORE Questions 1-25 are 6 points each for a total of 150 points. 1. In the element Tl, # 81, an electron in which of the following orbitals will have the largest velocity? (1) 6s (2) 6p (3) 5s (4) 4s (5) 3s (6) 2s 2. Which two of the s, p, or d orbitals lie in the yz plane and have xy as a nodal plane? (1) p z (2) d yz 3. A 5d type orbital has 2 nodal planes, 2 nodal spheres, and g . symmetry. 4. Circle one or more of the following statements that are correct for Hg(#80). (1) The low melting point is due to the lanthanide contraction. (2) The large electron affinity is due to relativistic effects. (3) The first ionization potential of Hg is larger than that of Cd. (4) The 6s orbital is lower in energy, ie more stable, because of relativistic effects. (5) None of the statements in 1 through 4 are correct. 5. Pt 4+ , #78, is almost the same size as Pd 4+ , #46. (1) is not a true statement. (2) because of an anomaly in orbital filling. (3) because of the usual trends in radii. (4) because of the relativistic effect. (5) because of the lanthanide contraction.
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This note was uploaded on 01/15/2012 for the course CHM 3610 taught by Professor Scott during the Fall '09 term at University of Florida.

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Ex1AKeySu05 - CHM 3610 NAME(PRINTED) PROGRESS EXAM #1 KEY...

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