Note for CHEM 121 at UMass
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This 4 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at University of Massachusetts taught by a professor in Fall. Since its upload, it has received 26 views.
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Date Created: 02/06/15
6 Othaohedral Figure 3 12 Electron pairs on a sphere FOUR ELECTRON PAIRS Electron Pair Geometry tetrahedral 10950 1075quot 105 Methane CH4 Ammonia NH3 Water H20 4 bond pairs 3 bond pairs 2 bond pairs no lone pairs 1 lone pair 2 lone pairs FIVE ELECTRON PAIRS Electron Pair Geometry trigonal bipyramid CIF3 Xer 5 bond pairs 4 bond pairs 3 bond pairs quot 2 bond pairs 39 No lone pairs 1 lone pair 2 lone pairs 3 Ional pairs Six ELECTRON PAIRS Electron Pair Geometry octahedral 3I u I in rm limHVH GI I1iv39ni quotgquotliizi BrF5 6 bond pairs 5 bond pairs 1 No lone pairs 1 lone pair 2 lone pairs XeF 4 bond pairs Honors General Chemistry 1 Electronpair Geometry and Molecular Shape Total Hybrid Electron Electron Orbitals Pair Bond Molecular Pairs Used GeometrV Angles Shape Examples 1 AXZ 2 sp linear 1800 linear BeClz 2 AX3 3 sp2 trigonal 1200 trigonal BF3 planar planar 3 AXZE 3 sp2 trigonal 115 bent No2 planar Vshaped 4 AX4 4 sp3 tetrahedral 10950 tetrahedral CH4 BH439 5 AX3E 4 sp3 tetrahedral 107 trigonal NH3 pyramid 6 AXZEZ 4 sp3 tetrahedral 105 bent H20 Vshaped 7 AX5 5 dsp3 trigonal 9001200 trigonal PF5 bipyramid bipyramid 8 AX4E 5 dsp3 trigonal 8701160 seesaw SE bipyramid 9 AX3E2 5 dsp3 trigonal 87 Tshaped C1F3 bipyramid 10 AX2E3 5 dsp3 trigonal 180 linear Xer Cle39 bipyramid 11 AX6 6 dzsp3 octahedral 9001800 octahedral SF6 12 AXSE 6 dzsp3 octahedral 88 square IF5 pyramid 13 AX4E2 6 dzsp3 octahedral 900 square XeF4 ClF439 planar 14 AX7 7 d3sp3 pentagonal 900720180 pentagonal IF7 bipyramid bipyramid 15 AXSE 7 d3sp3 pentagonal 89 71 178 regular IF6 bipyramid octahedral DL Adams October 16 2007
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