Old Exam _2

Old Exam _2 - MIDTERM 2 Form A Chemistry 6C University of...

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MIDTERM 2, Form A Chemistry 6C University of California, San Diego; Dr. Johnson Name: Student ID Number: TA: ***BEFORE BEGINNING MIDTERM 2, PLEASE READ THE FOLLOWING*** 1. Use a #2 pencil 2. Put your name and ID number on this page. PUT THE SAME INFORMATION ON YOUR SCANTRON AS WELL. A=1 for your UCSD ID number . 3. On your scantron, bubble in the form letter of your exam in the ‘test form’ field. 4. ALL MULTIPLE CHOICE ANSWERS GO ON YOUR SCANTRON 5. When finished turn in your scantron, crib card and this exam. 6. Along with this midterm you may have pencils, erasers, a non-graphing, non-programmable calculator, the periodic table/data sheet and your crib card on your desk. 7. Turn off anything that rings or beeps. 8. The Academic Honesty Policy is in full force. Any person caught cheating on this exam will receive a 0 on this exam and be prosecuted under the Student Conduct Code. 9. NO WORK NO CREDIT for free response answers. KEEP YOUR EXAM COVERED AT ALL TIMES YOU MAY WRITE ON THIS EXAM BUT THE MULTIPLE CHOICE ANSWERS MUST BE ON THE SCANTRON. THE SCANTRON WILL NOT BE RETURNED BUT YOU MAY COME AND REVIEW IT BY APPOINTMENT. Free Response/Short Answer: 20. /4 21. /6 22. /5 23. /8 24. /12 25. /14 Total /49
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Midterm 2, Form A--Johnson Multiple Choice: 1. (3 pts.) Elements with an even number of protons and neutrons a) never undergo α emission. b) are usually stable. c) are usually unstable. d) always have a proton to neutron ratio of about one. e) have a magic number of protons or neutrons. 2. (3 pts.) The nuclear binding energy for lithium-7 is the energy released in the nuclear reaction a) 3p + 3e + 7n 7 Li d) 3p + 3e + 4n 7 Li b) 6 Li + n 7 Li e) 7p + 7e 7 Li c) 3p + 3e + 4 β 7 Li 3. (3 pts.) For the oxides CrO, Cr 2 O 3 , and CrO 3 , which of the following is true? a)
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This note was uploaded on 04/11/2010 for the course CHEM CHEM 6C taught by Professor Hoeger during the Spring '08 term at UCSD.

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Old Exam _2 - MIDTERM 2 Form A Chemistry 6C University of...

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