Chem 177 Spring 2011 exam 3 answers

Chem 177 Spring 2011 exam 3 answers - Dr Irmi Schewe-Miller...

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Dr. Irmi Schewe-Miller Spring 2011 This exam consists of (19 + 3 ) questions on 7 pages Chem 177 Exam III April 8, 2011 Name_____ KEY _________ Recitation TA _______________ Recitation Section ___________ Grading Page Points Score 2 15 3 15 4 15 5 20 6 18 7 17 8 EC 9 Total 100 + 9 Questions are written on both sides of each page. Show all your work for full credit. Answers should include appropriate units and contain the correct number of significant figures. A periodic table and some useful information are given on the last page. Remove this page for reference and scratch paper. Do not put answers on the tear-away page! The final Exam is Friday May 6, 2011 from 9:45 to 11:45 am. Teaching Assistants, Recitation Sections, and Exam Locations TA Name Sections Time Exam location David Appy 15 R: 12:10 Curtiss 127, 1 st floor Jani Reddy Bolla 10 R: 1:10 Curtiss 127, 1 st floor Alex Buck 1 R: 8:00 Hoover 2055 Jinfang Cui 11 R: 1:10 Hoover 2055 Monique Ewan 6, 12 R: 11:00 R: 2:10 Hoover 2055 Manibarsha Goswami 7, 9 R: 11:00 R: 12:10 Hoover 2055 Tezcan Guney 2, 13 R: 8:00 R: 10:00 Curtiss 127, balcony Daniel Kabotso 3, 8 R; 9:00 R; 12:10 Hoover 2055 Nicole Lampland 5, 14 R; 10:00 R: 2:10 Curtiss 127, 1 st floor Kaitlyn Mahoney 4 R: 9:00 Curtiss 127, balcony
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Chem 177-S11 Exam 3 page 2 total points this page_______ Question 1: (5 pts) Write the electron configuration for the 2 Co + ion. Answer: ___________ [Ar] 4s 0 3d 7 ___________ Consider the following electron configurations to answer questions 2 & 3: (i) 2 2 6 1 1s 2s 2p 3s (ii) 2 2 6 2 1s 2s 2p 3s (iii) 2 2 6 2 1 1s 2s 2p 3s 3p (iv) 2 2 6 2 4 1s 2s 2p 3s 3p (v) 2 2 6 2 5 1s 2s 2p 3s 3p Question 2: (5 pts) Which electron configuration belongs to the atom with the highest second ionization energy? A) (i)
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This note was uploaded on 09/09/2011 for the course CHEM 177 taught by Professor Greenbowe during the Spring '06 term at Iowa State.

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Chem 177 Spring 2011 exam 3 answers - Dr Irmi Schewe-Miller...

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