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10 cards from this deck
Valence shell electron-pair repulsion theory
Electron pairs maximize distance to minimize repulsion
Linear, 180°180°180°
Trigonal planar, 120°120°120° angles
Tetrahedral, 109.5°109.5°109.5° angles
Pyramidal (e.g., NH3\text{NH}_3NH3)
Bent (e.g., H2O\text{H}_2\text{O}H2O)
109.5°109.5°109.5°
Shape = atom positions only; arrangement = all pairs
All pairs: both bonding and lone pairs
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