VSEPR Model

2 electron regions

2 bonding regions

0 non-bonding regions

Linear

3 electron regions

3 bonding regions

0 nonbonding regions

Trigonal planar

3 electron regions

2 bonding regions

1 nonbonding region

Bent

4 electron regions

4 bonding regions

0 lone pairs

Tetrahedral

4 electron domains

3 bonding regions

1 lone pair

Trigonal pyramidal

4 electron domains

2 bonding regions

2 lone pairs

Bent

5 electron domains

5 bonding regions

0 lone pairs

Trigonal bipyramidal

5 electron domains

4 bonding regions

1 lone pair

See-saw

5 electron domains

3 bonding regions

2 lone pairs

T-shaped

5 electron domains

2 bonding regions

3 lone pairs

Linear

6 electron domains

6 bonding regions

0 lone pairs

Octahedral

6 electron domains

5 bonding regions

1 lone pair

Square pyramid

6 electron domains

4 bonding regions

2 lone pairs

Square planar

6 electron domains

3 bonding regions

3 lone pairs

T-shaped

6 electron domains

2 bonding regions

4 lone pairs

Linear

Electron region 2:

1. Electron geometry

2. Hybridization

3. Angle

Linear, sp, 180

Electron region 3:

1. Electron geometry

2. Hybridization

3. Angle

Trigonal planar, sp², 120

Electron region 4:

1. Electron geometry

2. Hybridization

3. Angle

Tetrahedral, sp³, 109.5

Electron region 5:

1. Electron geometry

2. Hybridization

3. Angle

Trigonal bipyramidal, dsp³, 120/90

Electron region 6:

1. Electron geometry

2. Hybridization

3. Angle

Octahedral, d²sp³, 180/90

Molecular geometries associated with region 2

linear

Molecular geometries associated with region 3

Trigonal planar and Bent

Molecular geometries associated with region 4

Tetrahedral, Trigonal Pyramidal, and Bent

Molecular geometries associated with region 5

Trigonal Bipyramidal, See-saw, T-shaped, and Linear

Molecular geometries associated with region 6

Octahedral, Square Pyramidal, Square Planar, T-shaped, Linear

What molecular geometries are expected to be polar?

Bent, Trigonal Pyramidal, See-Saw, T-shaped, and square pyramid