PracticeExam1a

PracticeExam1a - Tufts University Chem 1 Summer 2008...

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Tufts University Chem 1 Summer 2008 Practice Exam 1a At the exam, you will be given a handout with the periodic table and copies of the following tables: Selected Prefixes Used in the Metric System, Solubility Guidelines for Common Ionic Compounds in Water, Activity Series of Metals in Aqueous Solution, Fundamental Constants and Useful Conversion Factors. The following instruction applies to the exam: “Watch out for significant figures, put proper units on all the answers, and check your work. SHOW ALL OF YOUR WORK on the calculation questions on the sheets provided. Box the final answer. You should have nothing but a calculator and writing implements at this exam. Feel free to ask questions during the exam.” You will have 2 hours for the exam (9:30 – 11:30 am). I. MULTIPLE CHOICE QUESTIONS _______________/30 II. COPPER AND ALUMINUM _______________/13 III. MANGANESE _______________/12 IV. REACTIONS _______________/12 V. ISOTOPES _______________/7 VI. OXIDE _______________/7 VII. COMBUSTION _______________/9 VIII. ADDITIONAL QUESTIONS _______________/10 TOTAL _______________/100
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I. MULTIPLE CHOICE QUESTIONS (30 points, 1.5 point each) Only one answer is assumed correct in each question. 1. Who discovered the electron? a) Ancient Greeks b) Avogadro c) J. J. Thomson d) Rutherford, Geiger, and Marsden e) Robert Millikan 2. Which of following is a chemical property of copper? a) M = 63.55 g/mol b) Red color c) Good electric conductivity d) Copper dissolves in nitric acid, but not in hydrochloric acid e) All of the above 3. Which of the following is a metalloid? a) boron b) oxygen c) aluminum d) sodium e) nitrogen 4. The atom of carbon-12 has a) 6 electrons b) 6 neutrons c) 6 protons d) All of the above e) None of the above. 5.
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This note was uploaded on 06/13/2008 for the course CHEM 1 taught by Professor Kryatov during the Spring '08 term at Tufts.

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PracticeExam1a - Tufts University Chem 1 Summer 2008...

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