H06- Geometries - gonzales (pag757) H06: Geometries McCord...

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Unformatted text preview: gonzales (pag757) H06: Geometries McCord (53130) 1 This print-out should have 24 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points Consider a 3-atom molecule A B A for which B has a total of only four valence elec- trons enough to make two bonds. Predict the A-B-A bond angle. 1. 60 2. 180 3. 120 4. 90 5. 109.5 002 10.0 points What is the shape of COCl 2 ? 1. trigonal pyramidal 2. trigonal planar 3. T-shaped 4. seesaw 5. tetrahedral 003 10.0 points Which of the following has bond angles slightly LESS than 120 ? 1. SO 3 2. NO 3 3. O 3 4. SF 2 5. I 3 004 (part 1 of 2) 10.0 points Draw the Lewis structure for NO 2 . How many single bonds, double bonds, triple bonds, and unshared pairs of electrons are on the central atom, in that order? 1. None of these 2. 2; 1; 0; 0 3. 2; 0; 0; 2 4. 1; 0; 1; 0 5. 4; 0; 0; 0 6. 3; 0; 0; 1 7. 1; 1; 0; 1 8. 0; 2; 0; 0 9. 0; 1; 1; 0 10. 0; 0; 1; 1 005 (part 2 of 2) 10.0 points Determine the molecular geometry of the ion NO 2 . 1. None of these 2. trigonal-pyramidal 3. bent or angular 4. trigonal-bipyramidal 5. octahedral 6. trigonal-planar 7. tetrahedral 8. linear...
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H06- Geometries - gonzales (pag757) H06: Geometries McCord...

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