VSEPR (Valence Shell Electron Pair Repulsion)

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13 Terms

1
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2 effective pairs, no lone pairs

Electron Pair Geometry: linear

Molecular Geometry: linear

*Bond angle 180 degrees; symmetrical

2
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3 effective pairs, no lone pairs

Electron Pair Geometry: trigonal planar

Molecular Geometry: trigonal planar

*Bond angles 120 degrees; symmetrical

3
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3 effective pairs, 1 lone pair

Electron Pair Geometry: trigonal planar

Molecular Geometry: bent

4
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4 effective pairs, no lone pairs

Electron Pair Geometry: tetrahedral

Molecular Geometry: tetrahedral

*Bond angles 109.5 degrees; symmetrical

5
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4 effective pairs, 1 lone pair

Electron Pair Geometry: tetrahedral

Molecular Geometry: trigonal pyramidal

*Bond angles 107 degrees, not symmetrical

6
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4 effective pairs, 2 lone pairs

Electron Pair Geometry: tetrahedral

Molecular Geometry: bent

*Bond angle 104.5 degrees, not symmetrical

7
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5 effective pairs, no lone pairs

Electron Pair Geometry: trigonal bipyramidal

Molecular Geometry: trigonal bipyramidal

*Bond angles 90 degrees (axial) and 120 degrees (equatorial); symmetrical

8
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5 effective pairs, 1 lone pair

Electron Pair Geometry: trigonal bipyramidal

Molecular Geometry: seesaw

9
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5 effective pairs, 2 lone pairs

Electron Pair Geometry: trigonal bipyramidal

Molecular Geometry: T-shaped

10
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5 effective pairs, 3 lone pairs

Electron Pair Geometry: trigonal bipyramidal

Molecular Geometry: linear

11
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6 effective pairs, no lone pairs

Electron Pair Geometry: octahedral

Molecular Geometry: octahedral

*Bond angles 90 degrees; symmetrical

12
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6 effective pairs, 1 lone pair

Electron Pair Geometry: octahedral

Molecular Geometry: square pyramidal

13
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6 effective pairs, 2 lone pairs

Electron Pair Geometry: octahedral

Molecular Geometry: square planar

*symmetrical