Exam 3-1.2 - ↑↓ ↑↓ ↑↓ ↑↓ ↑↓ ↑↓ ↑...

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Sample Exam 3-1 Dr. V. Williamson © Vickie M. Williamson 2007, All Rights Reserved 1. The ground state electron configuration for Zn is A. [Ar]4s 1 3d 11 B. [Ar]3s 2 3d 10 C. [Ar]4s 1 3d 10 4p 1 D. [Kr]4s 2 3d 10 E. [Ar]4s 2 3d 10 2. Which one of the following is the electron configuration for the S 2- ion? 3. In the wave-mechanical model, which quantum number describes the orientation of an orbital in space? 4. Which one of the following elements is represented by the orbital diagram shown below?
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Unformatted text preview: ↑↓ ↑↓ ↑↓ ↑↓ ↑↓ ↑↓ ↑ ↑ 1s 2s 2p 3s 3p A. Mg B. Al C. Si D. Ge E. None, this is not a proper orbital diagram 5. Which sketch represents an orbital that cannot be found in the 2nd main energy shell? A. B. C. D. E. neither A or B 6. Using the wave mechanical model, the maximum number of electrons that can exist at the n=3 level of an atom is: A. 12 B. 4 C. 18 D. 2 E. 8 7. How many unpaired electrons are there in the electron configuration of a N 3- ion? A. 3 B. 5 C. 2 D. 0 E. 1...
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