VSEPR Theory Flashcards

1
Q

AX2

A

Electron pair/group geometry: linear
Molecular Geometry: linear
Examples: BeCl2, CO2

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2
Q

AX3

A

Electron pair/group geometry: Trigonal planar
Molecular Geometry: Trigonal Planar
Examples: BF3

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3
Q

AX2E

A

Electron pair/group geometry: Trigonal Planar
Molecular Geometry: Bent
Examples: BH2-

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4
Q

AX4

A

Electron pair/group geometry: Tetrahedral
Molecular Geometry: Tetrahedral
Examples: CH4

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5
Q

AX3E

A

Electron pair/group geometry: Tetrahedral
Molecular Geometry: Trigonal Pyramidal
Examples: NH3

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6
Q

AX2E2

A

Electron pair/group geometry: Tetrahedral
Molecular Geometry: Bent
Examples: H2O

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7
Q

AX5

A

Electron pair/group geometry: Trigonal Bipyramidal
Molecular Geometry: Trigonal Bipyramidal
Examples: PBr5

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8
Q

AX4E

A

Electron pair/group geometry: Trigonal Bipyramidal
Molecular Geometry: See-Saw
Examples: SCl4

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9
Q

AX3E2

A

Electron pair/group geometry: Trigonal Bipyramidal
Molecular Geometry: T-Shaped
Examples: ClF3

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10
Q

AX2E3

A

Electron pair/group geometry: Trigonal Bipyramidal
Molecular Geometry: linear
Examples: XeF2

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11
Q

AX6

A

Electron pair/group geometry: Octahedral
Molecular Geometry: Octahedral
Examples: SCl6

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12
Q

AX5E

A

Electron pair/group geometry: Octahedral
Molecular Geometry: Square Pyramidal
Examples: BrF5

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13
Q

AX4E2

A

Electron pair/group geometry: Octahedral
Molecular Geometry: Square Planar
Examples: XeF4

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14
Q

A

A

The central atom - usually the least electronegative atom - never oxygen or fluorine

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15
Q

X

A

The ligand

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16
Q

E

A

Lone pairs