Homework 4-problems (1)

Homework 4-problems (1) - ruisi (hhr239) Homework 4...

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Unformatted text preview: ruisi (hhr239) Homework 4 sutcliffe (50985) 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. Hints for this assignment: Remember what you learned in the last one! Remember which elements violate the octet rule by having in- complete octets, and which have expanded octets. If unsure a good rule of thumb is to only make the central atom violate the octet rule. If the question says shape it means molecular shape or molecular geometry. If it asks for electron arrangement it means the electronic geometry. 001 10.0 points Which of the following is the correct Lewis structure of hydroxylamine (NH 2 OH)? 1. N H O H H 2. N b b H H O b b H 3. N b b H H O b b b b H 4. N H H O b b b b H 002 10.0 points How many double and triple bonds are in the compound CH 2 CCHCH 2 CCH? 1. 2 double, 1 triple 2. 0 double, 3 triple 3. 4 double, 0 triple 4. 1 double, 2 triple 5. 2 double, 2 triple 003 10.0 points The ion BeF has a total of ? shared electrons and ? non-bonded electrons. 1. 2; 2 2. 4; 2 3. 6; 3 4. 2; 4 5. 2; 8 6. 2; 3 7. 4; 4 8. 6; 2 9. 4; 8 004 10.0 points Which of these substances has a formula incorporating a triple bond? 1. BCl 3 2. NH 3 3. H 2 CO 4. H 2 O 5. HOI 6. H 2 Se 7. AlCl 3 ruisi (hhr239) Homework 4 sutcliffe (50985) 2 8. C 2 Cl 2 9. BF 3 10. BI 3 005 10.0 points Draw the Lewis structures for SiF 2 6 and ClF 3 . How many electrons surround the cen- tral atom on SiF 2 6 and on ClF...
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This note was uploaded on 12/11/2010 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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Homework 4-problems (1) - ruisi (hhr239) Homework 4...

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