practice_exam_1_key

practice_exam_1_key - Practice Exam #1 1. (6 pts) Name the...

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Practice Exam #1
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1. (6 pts) Name the following elements given their elemental symbols a. C b. Cu c. Co d. Cr e. Ca f. Cd
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2. (16 pts.) Given the name provide the formula or given the formula provide the name of the following compounds. a. CsF b. SiCl 4 c. I 2 O 5 d. Cr 2 S 3 e. potassium sulfate f. iron (III) chloride g. ammonium bromide h. disulfur tetrafluoride
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3. (9 pts) Give the number of protons, neutrons, and electrons in provided each of the following atomic symbols. a. 28 14 Si ____ protons, ____ neutrons, and ____ electrons b. 53 29 Cu 2+ ____ protons, ____ neutrons, and ____ electrons c. 14 7 N 3- ____ protons, ____ neutrons, and ____ electrons 4. (10 pts.) Lithium has only two naturally occurring isotopes. The mass of lithium-6 is 6.01512 amu and the mass of lithium-7 is 7.01601 amu. Use the atomic mass of lithium, given in the periodic table, to determine the relative abundances of the two isotopes.
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(9 pts) Balance the following equations. a.
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This document was uploaded on 04/09/2012.

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practice_exam_1_key - Practice Exam #1 1. (6 pts) Name the...

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