107E2A08key_A_1 - Chemistry 107 Examination 2(A November 8...

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Chemistry 107 Examination 2(A), November 8, 2008 page 1 of 12 PRINT NAME______________________________ _______ SIGNATURE_______________________________________ Last First Recitation Section_______ Recitation Instructor_________________________________ Check the time of meeting of your Rec/Lab section. If you do not correctly provide this information the return of your paper may be delayed. Monday afternoon ____ Tuesday morning ____ Tuesday afternoon ____ Wednesday afternoon ____ Thursday afternoon ____ Thursday evening ____ Friday afternoon ____ There are 3 questions in Part I and 21 multiple choice questions in Part II, in addition to one page of equations and a Periodic Table with constants, for a total of 12 pages . Be sure you have a complete copy before you begin. The backs of pages 3-12 can be used as scrap paper. Turn in pages 1 and 2. Part I. Answer each question in the space provided on the page. Part II: For each question choose the one best answer. Indicate the letter corresponding to this answer in the proper space in the box to the right. It is best to use pencil and erase completely any answers you want to change. Questions with more than one answer marked will be graded as incorrect. Do not leave any answers blank - guess if you don't know. Part I 1. __________(5) 2. __________(6) 3. ___________(5) Part II __________(84) Total __________(100) version A A B C D E
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Chemistry 107 Examination 2(A), November 8, 2008 page 2 of 12 4 X 5 X 6 X 7 X 8 X 9 X 10 X 11 X 12 X 13 X 14 X 15 X 16 X 17 X 18 X 19 X 20 X 21 X 22 X 23 X 24 X A B C D E
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Part I. NAME______________________________________________ 1. (5 points) Draw the Lewis structure, including resonance forms, if necessary, for HSO 3 1 - (S in center of 3 O’s and also one O-H bond). H O S O O 2. (6 points) Draw the Lewis structure, including resonance forms, if necessary, for HOCO 2 1- (C in center between three O atoms and also contains a H-O bond). H O C O O H O C O O H O C O O 3. (5 points) Draw the Lewis structure, including resonance forms, if necessary, for SeF 4 (Se in center, all other atoms bonded to Se only). F : : .. .. .. .. .. : : F Se F F : : .. ..
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Part II. Each question is worth 4 points.
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