F05-ex1A - Chemistry 12 Exam I Form A September 28, 2005...

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1 Chemistry 12 Name _______________________ Exam I Form A Section _______________________ September 28, 2005 Student No. _______________________ IMPORTANT : On the scantron (answer sheet), you MUST clearly fill your name , your student number , section number , and test form (white cover = test form A; yellow cover = test form B). Use a #2 pencil. There are 28 questions on this exam. Check that you have done all of the problems and filled in the first 28 bubbles on the scantron. The maximum score on this exam is 35 points. Your score will be reported in percents (max 100%). Exam policy No electronic devices, except for simple scientific calculators are allowed. Specifically calculators with text-programmable memory or communication capabilities are not allowed. Relevant data and formulas, including the periodic table, are attached at the end of this exam. Your grade will be based only on what is on the scantron form. The answer key will be posted on the web after the exam (under "News"). Hints As you read the question, underline or circle key words to highlight them for yourself. Avoid errors from "mis-reading" the question. Pay attention to units and magnitudes (decimal places) of numbers obtained from calculations. There is no penalty for guessing. 2 CHEMISTRY 12 EXAM 1 SEPTEMBER 28, 2005 FORM A ---------------------------------------------------------------------------------------------- 1. Which of the following species has/have 27 electrons? I. Cu 2+ II. Ni + III. Zn 2+ A. I only B. II only C. Both I and II D. All three of these species E. None of these three species ------------------------------------------------------------------------------------------------------- 2. Which of these associations is/are correct? I. The m l quantum number defines the shape of an orbital. II. The n quantum number defines the size of an orbital. III. The l quantum number defines the orientation of an orbital A. I is correct B. II is correct C. III is correct D. I and II are correct E. II and III are correct ------------------------------------------------------------------------------------------------------- 3. What is the energy of photon that has a frequency of 2.44 x 10
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F05-ex1A - Chemistry 12 Exam I Form A September 28, 2005...

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