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Chem 1201 Sample Exam 3

Chem 1201 Sample Exam 3 - CHEMISTRY 1201 Examination...

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CHEMISTRY 1201 Examination III (Chapters 7-8) FALL 2008 Form 1 Time allowed: 75 minutes CALCULATORS ARE PERMITTED IN THIS EXAMINATION Encode your answers on the SCANTRON sheet with soft pencil. A Periodic Table is provided on the last page. Turn in the SCANTRON and the ENTIRE EXAM PAPER to the exam proctor. Encode 1 under Grade or Education on the scantron sheet 1) Which of the following orbital diagrams is an incorrect ground state electron configuration for an ion? A. Fe 2+ : [Ar] 4 s 3 d B. V 2+ : [Ar] 3 d C. N 3 - : [He] ↑↓ ↑↓ ↑↓ ↑↓ 2 s 2 p D. Cu + : [Ar] ↑↓ ↑↓ ↑↓ ↑↓ ↑↓ 3 d E. Ca 2+ : [Ne] ↑↓ ↑↓ ↑↓ ↑↓ 3 s 3 p 2) Which ions are isoelectronic with the potassium cation, K + ? Na + P 3 - S 2 - Ca 2+ Al 3+ A. Na + only B. Ca 2+ only C. Al 3+ only D. Na + and Al 3+ only E. P 3 - , S 2 - and Ca 2+ only 3) Of the ions below, only has not achieved an octet electron configuration. A. S 2 - B. Mg 2 + C. I - D. In + E. N 3 - 4) Which ion below has the largest radius ? A. Cl - B. Br - C. I - D. F - E. H + 1
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5) Which of the following elements has the highest first ionization energy? A. K B. Ca C. S D. Cl E. I 6) Which atom would have the fourth -ionization energy much greater than the third? A. Be B. B C. C D. Li E. N 7) Compare the elements rubidium and strontium with respect to the following properties: most common ionic charge and first-ionization energy ( I 1 ). Which of the following choices is correct?
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