Bonding 153
Total
Electron
Pairs
2 2 Linear
Trigonal planar
Bent
Tetrahedral
Trigonal pyramidal
Bent
Trigonal bipyramidal
Irregular tetrahedral
(see-saw)
T-shaped
Linear
Octahedral
Square pyramidal
Square planar
0
30
21
40
50
41
32
23
60
51
42
31
22
3
4
5
6
Electron-
Group
Geometry
Bonding
Pairs
Nonbonding
Pairs
(Lone Pairs)
Molecular
Geometry
BA B
Linear
Trigonal planar
Tetrahedral
Trigonal
bipyramidal
Octahedral
BAB
B
A B
B
B A
B B
B
B A
B B
A
B
B
A
B
B
B
B
A
B
B
B
B
B
A
B
B
B
A
B
B
A
B
B
B B
B
A B
B B
B
A
B
B
B
B B
B
Figure 11.5 Electron-group and molecular geometry.