Number of Groups around central atom Shape when all groups are bonded atoms
Electron geometry and molecular geometry are the same
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Sub-Shapes (molecular geometry)
A = central atom, X = atom attached to central atom, E = nonbonding electron group on central atom
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Diatomic
(any number of groups) 		Linear Diatomic
diatomic molecule
AX wedge diagram

Linear (AX)

2
 Linear Triatomic
linear triatomic
AX2 wedge diagram

Linear (AX2)

3
 Trigonal Planar
trigonal planar molecule
AX2E wedge diagram

Bent (AX2E)

4 Tetrahedral
tetrahedral molecule
AX4 wedge diagram

Tetrahedral (AX4)

AX2E2 wedge diagram

Bent (AX2E2)
5
 Trigonal Bipyramidal
trigonal bipyramidal molecule
AX4E wedge diagram

See-Saw (AX4E)

AX3E2 wedge diagram

T-Shaped (AX3E2)

AX2E3 wedge diagram

Linear (AX2E3)
6 Octahedral
Octahedral molecule