VSEPR theory

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13 Terms

1
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electron groups: 2

lone pairs: 0

electron group geometry: linear

VSEPR notation: AX2

molecular geometry: linear

bond angle: 180

2
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electron groups: 3

lone pairs: 0

electron group geometry: trigonal planar
VSEPR notation: AX3
molecular geometry: trigonal planar
bond angle: 120

3
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electron groups: 3

lone pairs: 1

electron group geometry: trigonal planar

VSEPR notation: AX2E

molecular geometry: bent

bond angle: 120

4
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electron groups: 4

lone pairs: 0

electron group geometry: tetrahedral

VSEPR notation: AX4

molecular geometry: tetrahedral

bond angle: 109.5

5
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electron groups: 4

lone pairs: 1

electron group geometry: tetrahedral

VSEPR notation: AX3E

molecular geometry: trigonal pyramidal

bond angle: 109.5

6
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electron groups: 4

lone pairs: 2

electron group geometry: tetrahedral

VSEPR notation: AX2E2

molecular geometry: bent

bond angle: 109.5

7
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electron groups: 5

lone pairs: 0

electron group geometry: trigonal bipyramidal

VSEPR notation: AX5

molecular geometry: trigonal bipyramidal

bond angles: 90°, 120°

8
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electron groups: 5

lone pairs: 1

electron group geometry: trigonal bipyramidal

VSEPR notation: AX4E

molecular geometry: seesaw

bond angles: 90°, 120°

9
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electron groups: 5

lone pairs: 2

electron group geometry: trigonal bipyramidal

VSEPR notation: AX3E2

molecular geometry: T-shaped

bond angles: 90°

10
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electron groups: 5

lone pairs: 3

electron group geometry: trigonal bipyramidal

VSEPR notation: AX2E3

molecular geometry: linear

bond angles: 180°

11
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electron groups: 6

lone pairs: 0

electron group geometry: octahedral

VSEPR notation: AX6

molecular geometry: octahedral

bond angles: 90°

12
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electron groups: 6

lone pairs: 1

electron group geometry: octahedral
VSEPR notation: AX5E
molecular geometry: square pyramidal
bond angles: 90°

13
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electron groups: 6

lone pairs: 2

electron group geometry: octahedral
VSEPR notation: AX4E2
molecular geometry: square planar
bond angles: 90°