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11 Cards in this Set

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VSEPR
Valence electrons in a molecule repel one another.
Maximum distance
Between bonding pairs = minimizes repulsion and maximizes stability.
Multiple bond
Treated a single electron group.
Lone pairs
Ignored when describing molecular shape.
Electrons in lone pairs
Each lone pair on period 2 atom compresses by 2 degrees.
4 bonding groups
0 lone pairs
Tetrahedral; Tetrahedral; 109.5.
3 bonding groups
1 lone pair
Tetrahedral; Pyramidal; 107.
2 bonding groups
2 lone pairs
Tetrahedral; Bent; 105.
3 bonding groups
0 lone pairs
Trigonal planar; Trigonal planar; 120.
2 bonding groups
1 lone pair
Trigonal planar; Bent; 118.
2 bonding groups
0 lone pairs
Linear; Linear; 180.