Class
# of
atoms
bonded to
central
atom
#
lone
pairs on central atom
Arrangement of electron pairs
Molecular
Geometry
AB5
5
0
trigonal
bipyramidal
trigonal
bipyramidal
AB4E
4
1
trigonal
bipyramidal
distorted tetrahedron
AB3E2
3
2
trigonal
bipyramidal
T-shaped
Cl
F
F
F
VSEPR