Chapter 8b notes - CHM 1025 Chapter 8 Lewis Structures and...

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Chapter 8 Toyota 1 CHM 1025 Chapter 8 Lewis Structures and Molecular Shapes 1. VSEPR and molecular shape a. VSEPR , or __________________________________________________________, is a model to explain the _____________________________________ around a central atom. i. It is based on the premise that valence shell electron pairs are kept as far apart as possible to minimize____________________________________________. ii. VSEPR can be used to predict_____________________________. “Ligands” Total Bonding Lone Pair General Arrangement Molecular Geometry Ex. 3D Structure 2 2 0 Linear Linear AX 2 CO 2 3 3 0 Trigonal planar AX 3 BF 3 2 1 Trigonal planar Bent AX 2 E SO 2 4 4 0 Tetrahedral AX 4 CH 4 3 1 Trigonal pyramidal AX 3 E NH 3 2 2 Tetrahedral Bent AX 2 E 2 H 2 O 5 5 0 Trigonal bipyramidal Trigonal
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Chapter 8b notes - CHM 1025 Chapter 8 Lewis Structures and...

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