H06 Bonding 2 - moreau (mmm4564) H06: Bonding 2 mccord...

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Unformatted text preview: moreau (mmm4564) 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. O b b b b b b b b O 2. O b b b b b b b b b b O 3. O b b O 4. b b b b b b b b O b b b b b b b b O 5. b b b b b b b b b b O O 6. b b b b b b O b b b b O 7. b b b b b b O b b b b b b O 8. b b b b b b O b b b b b b O correct 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. two 2. one correct 3. ten 4. three 5. four 6. twenty 7. thirteen 8. none 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. one; three 2. two; two 3. four; four 4. four; three 5. three; six 6. none; two 7. one; six 8. two; six correct 9. zero; eight 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. H b b b b b b C C b b b b H b b b b b b moreau (mmm4564) H06: Bonding 2 mccord (50970) 2 2. b b b b b b H C C H 3. b b b b b b b b b b b b b b b b b b H C C H 4. b b 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 b b b b b b b b H C C H 6. b b b b b b b b b b b b H C C H 7. H C C H correct 8. C C H H b b b b b b b b b b 9. H C C b b b b H 10. b b b b b b b b H C C H 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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H06 Bonding 2 - moreau (mmm4564) H06: Bonding 2 mccord...

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