Chemistry / Chem 1035 · Atom · ~20 seconds
VSEPR Theory's Core Assumption
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Valence shell electron pair repulsion theory assumes electron domains around a central atom spread as far apart as possible, minimizing repulsion.
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A central atom with two bonding domains spreads them to opposite sides, 180° apart, rather than any closer arrangement.
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VSEPR predicts geometry from electron-domain repulsion alone; it offers no explanation of why a bond forms at all.
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- 1038Electron-Pair Geometry
- 1043Two-Domain Geometry: Linear
- 1045Three-Domain Geometry: Trigonal Planar and Bent
- 1048Four-Domain Geometry: Tetrahedral, Trigonal Pyramidal, and Bent
- 1051Five-Domain Geometry: Trigonal Bipyramidal
- 1053Six-Domain Geometry: Octahedral
- 1110Predicting Hybridization from VSEPR Domain Count