2 exam - Chem 141-03 Exam 2 - October 12, 2007 Name:_...

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Chem 141-03 Exam 2 - October 12, 2007 Name:_______________________________ Multiple choice: Choose the best answer. (3 points each) __E _ 1. What is the ground state electron configuration for S? a) 1s 2 2s 2 2p 6 3s 1 3p 5 d) 1s 2 2s 2 2p 6 3s 2 3p 2 b) 1s 2 2s 2 2p 6 3s 1 3p 5 e) 1s 2 2s 2 2p 6 3s 2 3p 4 c) 1s 2 2s 2 2p 6 3s 2 3d 4 __B _ 2. Which of the following best describes the electron configuration of Cu +2 ? a) 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 9 d) 1s 2 2s 2 2p 6 3s2 2 p 6 4s 1 3d 7 b) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 9 e) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 9 4p 1 c) 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 7 __E _ 3. Which of the following has the electron configuration 1s 2 2s 2 2p 6 3s 2 3p 6 ? a) Ca +2 d) Ar b) K +1 e) all of these c) Cl -1 __D _ 4. Which set of four quantum numbers could describe an electron in a 4p orbital? a) n = 3, l = 1, m l = 1, m s = +1/2 d) n = 4, l = 1, m l = -1, m s = +1/2 b) n = 4, l = 2, m l = -2, m s = +1/2 e) n = 4, l = 3, m l = 0, m s = +1/2 c) n = 4, l = 2, m
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2 exam - Chem 141-03 Exam 2 - October 12, 2007 Name:_...

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