old_e1 - Chemistry 1211 Prof. Dan Schwartz Exam #1 (Version...

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Exam #1 Version A Page 1 Chemistry 1211 Exam #1 ( Version A) Thursday, 2/13/2003 Prof. Dan Schwartz 7:00 – 8:30 P.M. There is a single correct choice for each question. Answer all questions on the scantron sheet by filling in the proper bubble with a #2 pencil. If you change an answer, erase the undesired mark thoroughly. Be sure to fill in the boxes for your student number, name and lab section; then correctly fill in the corresponding bubbles beneath them. A periodic table and other useful information are attached to the back of the exam. There are 4 exam pages and 25 questions. Check to be sure you have answered them all! 1. (zero points) Which version of the exam do you have? (a) A (b) B 2. (5 points) Which of the following elements has chemical properties similar to phosphorus? (a) fluorine (b) hydrogen (c) nitrogen (d) sulfur 3. (5 points) Which of the following statements does not describe a physical property of chlorine? (a) Chlorine combines with sodium to form table salt. (b) The color of chlorine gas is green. (c) The density of chlorine gas at standard temperature and pressure is 3.17 g/L. (d) The freezing point of chlorine is –101 ˚C. 4. (5 points) A gold ingot, in the shape of a rectangular solid, weighs 2.50 kg. If the density of gold is 19.31 g/mL, and the length and width of the ingot are 0.120 m and 30.0 mm respectively, what is the height of the ingot?
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old_e1 - Chemistry 1211 Prof. Dan Schwartz Exam #1 (Version...

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