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Bonding Shear 1 - garcia(jjg2564 – Homework 2 Bonding –...

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Unformatted text preview: garcia (jjg2564) – Homework 2: Bonding – Shear – (52375) 1 This print-out should have 24 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. Use the Pauling electronegativity values from Figure 13.3 of your text book to solve any problems needing EN. In the exam a sim- ilar table will be provided. Remember that topics covered by ALEKS are not included in Quest homework topics that you particularly need to be able to do are how to draw Lewis structures, how to use VSEPR theory to pre- dict the shape and polarity of molecules, how to use VB theory to predict hybridization, and how to use MO theory to predict bond length and strength. Extra examples of these to work in addition to ALEKS will be sup- plied via quest (for no credit) as we cover them in class.. 001 10.0 points Which, if any, pair of name and formula (in- cluding charge) is INCORRECT? 1. nitrate ion : NO- 3 2. None is correct 3. All are correct 4. phosphate ion : PO 3- 4 5. sulfate ion : SO 2- 4 6. carbonate ion : CO 2- 3 002 10.0 points How many grams of NH 3 can be produced from the reaction of 17.8 moles of H 2 and a sufficient supply of N 2 ? N 2 + 3 H 2 → 2 NH 3 1. 225 grams 2. 455 grams 3. 408 grams 4. 202 grams 5. 100.grams 6. 11.9 grams 003 10.0 points When dealing with electrons in atoms and molecules, the electrons that are not consid- ered as valence electrons (can, cannot) ef- fectively shield the nucleus and thereby (de- crease, increase) the effective nuclear charge. 1. cannot; decrease 2. can; decrease 3. cannot; increase 4. The non-valence electrons do nothing. 5. can; increase 004 10.0 points Electron affinity corresponds to the energy released or absorbed in which process (for atom A)?...
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Bonding Shear 1 - garcia(jjg2564 – Homework 2 Bonding –...

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