HopeEdu Practice Exam 02 (2006)

HopeEdu Practice Exam 02 (2006) - Chemistry 322 Dr. Clark...

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Chemistry 322 Name Dr. Clark Spring 2006 Examination II INSTRUCTIONS 1. This exam consists of 11 pages, one sheet of scratch paper, several pages of useful information, and a periodic table. If a page is missing, let me know immediately. 2. PRINT your name NOW at the top of ALL pages. 3. Part A is worth 32 points. Part B is worth 28 points. Part C is worth 15 points. 4. You will have up to 90 minutes to complete this exam. Check your work after completing the exam. Please show all your work and be certain that all your explanations are given as complete sentences. 5. On the grading chart at the bottom of this page, CIRCLE the numbers of the questions that you would like to be graded for Parts A and B. BEFORE YOU HAND IN YOUR EXAM, CHECK THAT YOU HAVE CIRCLED THE CORRECT NUMBER OF QUESTIONS FOR PARTS A (4) and B (2). Part A 1 (ALL) /08 pts. 2 /08 pts. 3 /08 pts. 4 /08 pts. 5 /08 pts. Part B 6 (ALL) /15 pts. 7 /12 pts. 8 /12 pts. Part C 9 (ALL) /16 pts. TOTAL /75 pts.
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2 PART A. (32 points) BASIC QUESTIONS . Answer QUESTION #1 and THREE of the next FOUR questions , e.g. 1/2/3/4, 1/2/3/5, 1/3/4/5, etc. Write your answer in the space provided. SHOW YOUR WORK & WRITE EXPLANATIONS IN COMPLETE SENTENCES . 1. In addition to periodic trends such as ionization energy, electron affinity, and electronegativity that were discussed earlier in the course, several other examples of periodic trend-like behavior have been described more recently. These include (i) the Uniqueness Principle (a.k.a. the “first row anomaly”), (ii) the “inert-pair” effect, and (iii) the “diagonal effect.” For any 2 of these additional trends above, provide clear and concise descriptions of the meaning of these periodic characteristics. In recording your answer, be sure to provide the factors that are responsible for the physical basis/origin of these features. 2. Predict if the molecule P 2 can exist by constructing an appropriate molecular orbital diagram . If you determine that P 2 can exist, discuss whether this is a likely form of phosphorous at ambient conditions.
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3 3. For each pair of compounds, circle the one that meets the description given.
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HopeEdu Practice Exam 02 (2006) - Chemistry 322 Dr. Clark...

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