Bonding_HW06 - shin (ys5232) H06: Bonding 2 mccord (50970)...

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Unformatted text preview: shin (ys5232) H06: Bonding 2 mccord (50970) 1 This print-out should have 17 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points Which of the following is the correct Lewis formula for oxygen (O 2 )? 1. b b b b b b O b b b b O 2. b b b b b b O b b b b b b O correct 3. O b b O 4. b b b b b b b b b b O O 5. O b b b b b b b b b b O 6. b b b b b b O b b b b b b O 7. O b b b b b b b b O 8. b b b b b b b b O b b b b b b b b O Explanation: N = 8 2 = 16 A = 6 2 = 12 S = N- A = 16- 12 = 4 There are 4 shared electrons. The remain- ing electrons are placed around the oxygen atoms such that each has an octet. The Lewis dot formula for oxygen (O 2 ) is b b b b b b O b b b b b b O 002 10.0 points How many lone pairs of electrons are on nitrogen in NF 3 ? 1. thirteen 2. none 3. one correct 4. twenty 5. three 6. two 7. ten 8. four Explanation: The Lewis structure is N b b F b b b b b b F b b b b b b F b b b b b b 003 10.0 points How many unshared electrons and bonding electrons exist around the central atom in ozone, O 3 ? 1. none; two 2. three; six 3. zero; eight 4. four; four 5. one; three 6. one; six 7. four; three 8. two; two 9. two; six correct Explanation: O b b O b b b b b b O b b b b O b b O b b b b b b O b b b b 004 10.0 points Which of the following is the correct Lewis formula for acetylene (ethyne, C 2 H 2 )? 1. b b b b b b b b b b b b b b H C C H shin (ys5232) H06: Bonding 2 mccord (50970) 2 2. b b b b b b b b b b b b H C C H 3. H C C H correct 4. b b b b b b b b b b b b b b b b b b H C C H 5. b b b b b b H C C H 6. H C C b b b b H 7. H b b b b b b C C b b b b H b b b b b b 8. b b b b b b b b H C C H 9. b b b b b b b b b b b b b b b b b b b b H C C H 10. C C H H b b b b b b b b b b Explanation: The Lewis formula for acetylene (ethyne, C 2 H 2 ) is H C C H 005 10.0 points Which of the following is the correct Lewis formula for chlorine fluoride (ClF)?...
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Bonding_HW06 - shin (ys5232) H06: Bonding 2 mccord (50970)...

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