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Unformatted text preview: 9. What is electronegativity? Describe one method of estimating electronegativity. 10. What is the Van der Waals Radii? What is its most common use? Questions (10 point) 1. Draw and completely label the Molecular Orbital diagram for HF. 2. Do the H h ckel Calculation for the ethylene (C 2 H 4 ). Calculate both the energy for the pi orbitals and the “shape” of the pi M.O’s. 3. Justify the following trend in bond angles: PF 3 PCl 3 PBr 3 PI 3 97.7 o 100.3 o 101.0 o 102 o 4. List and describe each of the Van der Waal s forces. 5. Define and write a chemical equation illustrating the following Acid/Base Definitions: Lux - Flood Lewis Bronsted - Lowry...
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