Exam 1 - Chemistry 1341 Fall, 2000 Exam 1A Name: Date: 3...

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1 Chemistry 1341 Fall, 2000 Exam 1A Name: Date: 3 October 00 EXAM GUIDELINES: 1. Closed book, closed notes. 2. The only items allowed are your writing instruments, erasers, and calculators. 3. Once the exam begins, you may not share or borrow anything from anybody else. 4. This exam has 3 fill in the blank questions (total of 31 points), 13 multiple-choice questions (2 points each for a total of 26 points) and 5 long answer questions (total of 43 points). Please make sure that you have 8 total pages (including this cover page and the periodic table at the end of the exam). 5. You may use the pages of this examination for your scratch work. 6. All work must be clearly shown on the calculation problems. Credit will not be given for answers only. 7. Answers to calculation problems must be given with the correct units and the appropriate number of significant figures.
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FILL IN THE BLANK QUESTIONS 1. (0.5 points each blank for a total of 8 points) Fill in the blanks (all values should be whole numbers) in the following table. B O 2- Mn 2+ Protons 13 7 Electrons 10 10 Neutrons Mass Number 10 2. (1 point each blank for a total of 10 points) Classify each of the following compounds as ionic or molecular and write the name for each. P 4 O 10 CaSO 4 Fe 2 O 3 K 3 PO 3 NO 2 3. (1 point each blank for a total of 5 points) Write the formula corresponding to each of the following chemical names. Ammonium carbonate Nickel (II) bromide Aluminum hydroxide Boron trifluoride Magnesium iodide 4. (0.5 point each blank for a total of 8 points) Balance the following reactions: ___ C 5 H 6 O + ___ O 2 ___ CO 2 + ___ H 2 O ___ Cr(OH) 3 + ___ HNO 3 ___ H 2 O + ___ Cr(NO 3 ) 3 ___ Al + ___ HBr
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Exam 1 - Chemistry 1341 Fall, 2000 Exam 1A Name: Date: 3...

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