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Unformatted text preview: of calcium bromide is the energy change for the reaction 1. CaBr2 (s) Ca(g) + 2 Br(g) 2. CaBr2 (s) Ca(g) + Br2 (g) 3. Ca(g) + 2 Br(g) CaBr2 (g) 4. CaBr2 (s) Ca2+ (g) + 2 Br- (g) 5. Ca(s) + Br2 ( ) CaBr2 (s) 006 (part 1 of 1) 10 points How many valence electrons are in a Si atom? 1. 0 2. 14 3. 2 4. 4 5. 8 007 (part 1 of 1) 10 points 2- The P anion has how many total electrons and how many valence electrons? 1. 17; 8 2. 17; 7 3. 15; 6 4. 16; 5 5. 15; 5 6. 16; 6 i i 2 10. 17; 6 008 (part 1 of 1) 10 points What total number of valence electrons should appear in the dot formula for the chlorate ion ClO- ? 3 1. 30 2. 26 3. 24 4. 28 5. 32 009 (part 1 of 1) 10 points Which of the following is the best representation of the compound calcium sulfide? 1. None is appropriate because calcium sulfide is a covalent compound. - H H Q V V Q 2. Ca , 3. Ca 2+ + S S T UT R R 2- g g 6. 2 Ca , + S p p 010 (part 1 of 1) 10 points Which of...
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This note was uploaded on 05/01/2008 for the course CH 301 taught by Professor Fakhreddine/lyon during the Fall '07 term at University of Texas at Austin.

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