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Worksheet_Chapter_9_KEY

# Worksheet_Chapter_9_KEY - 90 ° dsp 3 SO 3 Trigonal planar...

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Chapter 9: Molecular Geometries and Molecular Polarity KEY The table lists many of the molecules and polyatomic ions listed in the lecture notes. Since we do not have time in lecture to work through all of these, I have listed them here. Work through these by drawing out Lewis structures, and then drawing 3-dimensional representations. If you are having trouble visualizing the 3-dimensional aspect of some of these, I suggest building a simple model using toothpicks and mini-marshmallows. Molecular Formula Lewis Structure Electron-domain Geometry Molecular Geometry Molecular Polarity Approx. Bon d Ang les Hybrid- izati on BeF 2 Linear Linear Nonpolar =180 ° sp XeF 2 Trigonal bipyramidal linear Nonpolar =180 ° dsp 3 SF 2 Tetrahedral Bent Polar 109.5 ° sp 3 H 2 O Tetrahedral Bent Polar 109.5 ° sp 3 NH 3 Tetrahedral Triganal pyramidal Polar 109.5 ° sp 3 BH 3 Trigonal planar Trigonal planar Nonpolar =120 ° sp 2 ClF 3 Trigonal bipyramidal T-shaped Polar

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Unformatted text preview: 90 ° dsp 3 SO 3 Trigonal planar Trigonal planar Nonpolar =120 ° sp 2 SO 3 2-Tetrahedral Trigonal pyramidal Polar ≈ 109.5 ° sp 3 CF 4 Tetrahedral Tetrahedral Nonpolar =109.5 ° sp 3 SF 4 Trigonal bipyramidal See saw Polar ≈ 90 ° & 120 ° dsp 3 XeF 4 Octahedral Square planar Nonpolar =90 ° d 2 sp 3 PF 5 Trigonal bipyramidal Trigonal bipyramidal Nonpolar = 90 ° & 120 ° dsp 3 IF 5 Octahedral Square pyramidal Polar ≈ 90 ° d 2 sp 3 SF 6 Octahedral Octahedral Nonpolar = 90 ° d 2 sp 3 HCN Linear Linear Polar = 180 ° sp H 2 CO Trigonal planar Trigonal planar Polar ≈ 120 ° sp 2 CH 2 Cl 2 Tetrahedral Tetrahedral Polar = 109.5 ° sp 3 SO 2 Trigonal planar Bent Polar ≈ 120 ° sp 2 C 2 H 2 Linear on each carbon atom Linear on each carbon atom Nonpolar 180 ° sp PO 4 3-Tetradral Tetrahedral Nonpolar = 109.5 ° sp 3...
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Worksheet_Chapter_9_KEY - 90 ° dsp 3 SO 3 Trigonal planar...

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