9.2 VSEPR theory Predicting Molecular Geometries: Total Electron- Electron Pair Bonding Nonbonding Molecular Pairs Geometry Pairs Pairs Geometry Example 4 pairs 4 0 Tetrahedral Tetrahedral 3 1 B Trigonal pyramid B 2 2 B BentPredicting Molecular Geometries: 9.2 VSEPR theory