#Chem 161-2005 Exam III + answers

#Chem 161-2005 Exam III + answers - Chemistry 161 Exam III...

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Chemistry 161 Exam III December 4, 2005 Student Name (Print): ___TAVSS_ ________________ Recitation Section Number: t Recitation Instructor: ____TAVSS ______________ The exam booklet has 25 questions for credit and one additional question to check the color of your exam booklet. Please answer all 26 questions on the OpScan sheet. There is no penalty for guessing. Answer each question with the best choice from those provided. At the end of the 80-minute exam period, please hand in only this top sheet and your OpScan form. If you finish early, please do not disturb your fellow students. A proctor will check your picture ID, OpScan form, signature and calculator during the exam. The use of calculators with permanent memories (graphing calculators), cell phones, pagers, PDAs or other electronic devices other than a basic scientific calculator is expressly forbidden. The last page of the booklet contains a periodic table along with other useful data. The use of any other notes or information on this test will be considered a violation of the Academic Honesty provisions of the student code. Exam scores will be posted as soon as possible. ON THE OpScan FORM (Use a #2 pencil or darker) Sec Per. Instr Sec Per. Instr 1. SIGN your name across the top of the form. 01 M3 LH 22 W1 ET 2. Code the following information ( blacken circles) 02 M5 LH 23 W1 ME Your Name (LAST NAME FIRST) 03 M5 RA 24 W3 NM Your SOCIAL SECURITY NUMBER 04 W3 RA 25 Th1 ET [Start under Box A and continue to Box I ] 05 W5 RA 26 Th1 ME Your RECITATION SECTION NUMBER in K & L 06 W5 LH 27 Th3 ME [Sections 01-08, code a 0 under box K ] 07 F3 HS 28 Th3 ET Your EXAM FORM NUMBER under box P 08 F5 HS 29 Th3 NM 09 F5 TH 30 M6 RA LH = L. Huebner, RP = R. Porcja, RA = R. Agarwal 18 M1 NM 31 M6 TH HS = H. Sangari, TH = T. Hyde, NM = N. Marky 19 M1 HS 32 M6 RP ME = M. Esguerra, ET = E. Tavss 20 M3 NM 33 W6 RP Periods: 1 = 9:30-10:25, 3 = 12:15-1:10 or 12:50-1:45 21 M3 HS 35 W8 RP 5 = 3:35-4:30, 6 = 5:15-6:10, 8 = 8:25p-9:20p 36 W8 TH Your EXAM FORM is C161f05e3v1 1
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Your EXAM FORM is 1 Chem 161-2005 Hourly Exam III Chapter 7 – Atomic Structure and Periodicity Polyelectronic atoms (Aufbau principle) Which of the following atoms has the ground state electron configuration with the most unpaired electrons? A. S B. Br C . Mn D. Zn E. Ni 16 S = [Ne]3s 2 3p 4 3p 4 ↑↓ 35 Br = [Ar]4s 2 3d 10 4p 5 4p 5 ↑↓ ↑↓ 25 Mn = [Ar]4s 2 3d 5 3d 5 30 Zn = [Ar]4s 2 3d 10 3d 10 ↑↓ ↑↓ ↑↓ ↑↓ ↑↓ 28 Ni = [Ar]4s 2 3d 8 3d 8 ↑↓ ↑↓ ↑↓ S has 2 unpaired electrons; Br has 1; Mn has 5; Zn has 0; Ni has 2. C161f05e3v1 2
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2 Chem 161-2005 Hourly Exam III Chapter 8 – Bonding: General Concepts Molecular structure, angles, and polarity (VSEPR) Which one of the following molecules/ions is listed with an incorrect shape? A. XeF 4 ; square planar B. CS 2 ; linear C. O 3 ; angular D. XeF 2 ; linear E . SeF 4 ; tetrahedral . .
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This test prep was uploaded on 04/12/2008 for the course CHEM 161 taught by Professor Vacillian during the Fall '08 term at Rutgers.

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#Chem 161-2005 Exam III + answers - Chemistry 161 Exam III...

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