Shapes of simple molecules

Triangular pyramid

Triangular pyramid

________= 3 bonding pairs, 1 lone pair, 107 degree (109.5- 2.5) bond angle.

Trigonal bipyramidal

________= 5 bonding pairs, 0 lone pairs, 120 and 90 degree bond angles.

Octahedral

________= 6 bonding pairs, 0 lone pairs, 90 degree bond angle.

Trigonal planar

________= 3 bonding pairs, 0 lone pairs, 120 degree bond angle.

Any lone pairs

________ provide additional repulsive forces.

Tetrahedral

_______ = 4 bonding pairs, 0 lone pairs, 109.5 degree bond angle

Linear

______ = 2 bonding pairs, 0 lone pairs, 180 degree bond angle

V -shaped

_____ = 2 bonding pairs, 2 lone pairs, 104.5 degree bond angle

Square pyramid

5 bonding pairs, 1 lone pair, bond angle of 90 (or less)

Square planar

4 bonding pairs, 2 lone pairs, bond angle of 90 (or less)