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Hmwk 4 - guo(rg27533 Homework 4 Sutclie(52380 This...

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guo (rg27533) – Homework 4 – Sutcliffe – (52380) 1 This print-out should have 18 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 (part 1 of 2) 10.0 points Draw the Lewis structure for CI 4 . How many single bonds, double bonds, triple bonds, and unshared pairs of electrons are on the central atom, in that order? 1. 3, 0, 0, 1 2. 1, 0, 1, 0 3. 2, 1, 0, 0 4. None of these 5. 4, 0, 0, 0 6. 0, 2, 0, 0 7. 1, 1, 0, 1 8. 0, 0, 1, 1 9. 0, 1, 1, 0 10. 2, 0, 0, 2 002 (part 2 of 2) 10.0 points Determine the molecular geometry of CI 4 . 1. trigonal-pyramidal 2. octahedral 3. trigonal-planar 4. trigonal-bipyramidal 5. bent or angular 6. linear 7. tetrahedral 8. None of these 003 10.0 points What is the shape of BrO 4 ? 1. tetrahedral 2. square planar 3. T-shaped 4. seesaw 5. trigonal bipyramidal 004 10.0 points Which of the following is planar? 1. SO 2 3 2. PF 3 3. NH 3 4. H 3 O + 5. NO 3 005 10.0 points Use VSEPR theory to predict the molecular geometry of the molecule HCN.
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