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Initials: Free Response Section: Show your work for all calculation/conversion problems in the space provided. Report all answers using correct units and correct number of significant figures. Failure to show your work will result in no more than half credit. 23.a) Draw Lewis structures for the following molecules. Show formal charges where appropriate. If multiple structures are possible, only draw the major contributor. (3pts) b) Determine the electronic geometry and the molecular geometry of each compound. (2pts) c) Indicate the total number of valence electrons in each compound. (1pt) d) Approximate the expected bond angle around the central atom. (1pt) e) Determine whether the molecules are polar or nonpolar (circle one). (2pt) (18pts total) AsH; . Electronic Geometry: fF = Approximate Molecular Geometry: bond angle: CH,0 Electronic Geometry: Valence electrons: Approximate Molecular Geometry: bond angle: Polar --- Nonpolar