Chemistry- Unit 2 Molecular Geometry

2 electron regions

linear

bond angle of 2 electron regions

180

3 electron regions (no lone pairs)

trigonal planar

3 electron regions (1 lone pair)

bent

bond angle of 3 electron regions

120

4 electron regions (no lone pairs)

tetrahedral

4 electron regions (1 lone pair)

trigonal pyramidal

4 electron regions (2 lone pairs)

bent

bond angle of 4 electron regions

109.5

5 electron regions (no lone pairs)

trigonal bipyramidal

5 electron regions (1 lone pair)

seesaw

5 electron regions (2 lone pairs)

T-shaped

5 electron regions (3 lone pairs)

linear

bond angle of 5 electron regions

120 and 90

6 electron regions (no lone pairs)

octahedral

6 electron regions (1 lone pair)

square pyramidal

6 electron regions (2 lone pairs)

square planar

bond angle of 6 electron regions

90

is square planar polar?

no

single bond (hybridization)

1 sigma bond

double bond (hybridization)

1 sigma bond, 1 pi bond

triple bond (hybridization)

1 sigma bond, 2 pi bonds