Exam_4_tan - CHEMISTRY 115 Exam 4 Version B(Tan Dr T.R...

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Version B (Tan) CHEMISTRY 115 Exam 4 – Version B (Tan) Dr. T.R Chigwada April 19, 2007 An optical scoring machine will grade this examination. The machine is not programmed to accept the correct one of two or more sensed answers and will not sense answers that are lightly marked. Mark your sheet carefully with a No. 2 soft lead pencil and erase any undesired marks COMPLETELY . Avoid making any extraneous marks on the answer sheet other than the information mentioned below. On the answer sheet: 1. Print your name in the space for NAME (last name first, CIRCLE your last name). 2. In the space marked SUBJECT write Chem 115. 3. In the space marked TEST NO. write Exam 4. 4. In the space DATE write Spring 2007 5. In the space marked PERIOD write your instructor and section number: CHIG-003 (T, Th lecture) or CHIG-005 (M,W,F lecture). 5. Check to see that you have 21 examination questions, a periodic table, and a scantron with a Tan mark in the upper right hand corner. Hand in only the SCANTRON answer sheet!! Some useful Constants and Conversions C(H 2 O (l) ) = 4.184 J/g.ºC N A = 6.0220 x 10 23 Planck’s constant, h = 6.626 x 10 -34 J.s Speed of light, c = 2.998 x 10 8 m/s Relax and Good Luck!!!!!
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(Tan) CHEMISTRY 115 Exam 4 – Version B (Tan) CHOOSE THE ONE BEST ANSWER 1. Draw Lewis structures of the following molecules. Which of them has a central atom with an expanded octet (more than 8 valence electrons). I II III I 3 -1 IO 3 -1 IBr 4 -1 A) I B) I and III C) III D) All of the above E) None of the above 2. The spectroscopic notation (number + letter designation) for the subshell with n = 5 and l = 3 is A) 5d subshell B) 5p subshell C) 5f subshell D) 5g subshell E) 5s subshell 3. Given the following sets of quantum numbers for n l m l m s , which one of these sets is not a possible set for an electron in an atom?
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This note was uploaded on 04/26/2008 for the course CHEM 115 taught by Professor Chigwada during the Spring '07 term at WVU.

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Exam_4_tan - CHEMISTRY 115 Exam 4 Version B(Tan Dr T.R...

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