Molecular Structures AP Chemistry

Linear

Linear

2 elec regions, 0 lone pairs

Trigonal planar

3 elec regions, 0 lone pair

Bent

3 elec regions, 1 lone pair

Tetrahedral

4 elec regions, 0 lone pairs

Trigonal pyramidal

4 elec regions, 1 lone pair

Bent

4 elec regions, 2 lone pairs

Trigonal Bipyramidal

5 elec regions, 0 lone pairs

Seesaw

5 elec regions, 1 lone pair

T-Shape

5 elec regions, 2 lone pairs

Linear

5 elec regions, 3 lone pairs

Octahedral

6 elec regions, 0 lone pairs

Square pyramid

6 elec regions, 1 lone pair

Square Planar

6 elec regions, 2 lone pairs

T-Shape

6 elec regions, 3 lone pairs

Linear

6 elec regions, 4 lone pairs

Elec Geo Name(2 regions)

linear

Elec Geo Name(3 regions)

trigonal planar

Elec Geo Name(4 regions)

tetrahedral

Elec Geo Name(5 regions)

trigonal bipyramidal

Elec Geo Name(6 regions)

octahedral

What is the order of repulsions(greatest to least)

lone pair-lone pair, lone pair-bond pair, bond pair-bond pair

What theory is used to determine these shapes?

VSEPR theory