Electron Regions Electronic Geometry Bond Angles
2 linear 180˚
3 trigonal planar 120˚
4 tetrahedral 109.5˚
5 trigonal bipyramidal 90˚, 120˚, and 180˚
6 octahedral 90˚ and 180˚
Central atom O → 2 atoms + 1 lone pair → 3 groups → AX3 → trigonal planar
Predict the approximate bond angle in the following molecule.
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