Molecular Models (VSEPR Theory)

# of
"Effective Pairs"
# of
Lone pairs
GeometryShapeLewis Structure
Example
3d modelbond
angles
20LinearLinear


video: 2-0 configuration

180
30Trigonal planarTrigonal planar


video: 3-0 configuration

120
31Trigonal planarV-shape
or bent


video: 3-1 configuration

120
40TetrahedralTetrahedral


video: 4-0 configuration

109.5
41TetrahedralTrigonal pyramid


video: 4-1 configuration

107
42TetrahedralV-shape
or bent


video: 4-2 configuration

104.5
43TetrahedralLinear


video: 4-3 configuration

180
Next