Lecture 10.28.09

Lecture 10.28.09 - A. Ground state K + ion B. Ground state...

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Wednesday, October 28 CHEM 1251, Fall 2009 1 Which of the following is the correct ground state energy level diagram for carbon? 2p 2s 1s A B C D CQ #1 2 In their ground state, atoms of which element below contain the greatest number of unpaired electrons? A. Argon B. Silicon C. Magnesium D. Aluminum E. Chlorine CQ #2 3 Which of the following corresponds to this electron configuration: 1s 2 2s 2 2p 6 3s 2 3p 6 A. Ground state K + ion B. Ground state Ca 2+ ion C. Ground state Cl - ion D. None of these E. All three--A, B, and C CQ #3 4 Which of the following would you expect to have the largest radius? A. Ground state K atom B. Ground state Ca atom C. Ground state Cl atom D. Ground state Ar atom E. They would have the same radius. CQ #4
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Wednesday, October 28 CHEM 1251, Fall 2009 5 Which of the following would you expect to have the largest radius?
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Unformatted text preview: A. Ground state K + ion B. Ground state Ca 2+ ion C. Ground state Cl-ion D. Ground state Ar atom E. They would have the same radius. CQ #5 6 Which chemical equation represents the first ionization energy of calcium? A. Ca --> Ca + + e-B. Ca --> Ca 2+ + 2e-C. Ca + e---> Ca-D. Ca + + e---> Ca E. Ca +--> Ca 2+ + e-CQ #6 7 Which of the following would you expect to have the highest first ionization energy? A. Ground state K atom B. Ground state Ca atom C. Ground state Cl atom D. Ground state Ar atom E. They would have the same first ionization energy. CQ #7 8 Additional Information Answers to today s clicker questions ( CQs ) CQ #1: C CQ #5: C CQ #2: B CQ #6: A CQ #3: E CQ #7: D CQ #4: A Preparing for future learning Read Chapter 8, Sections 8.1 - 8.5 Read Chapter 9, Sections 9.1 and 9.2...
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Lecture 10.28.09 - A. Ground state K + ion B. Ground state...

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