AP Chem Unit 2

Molecular Shapes and Bond Angles

2 bonds and 0 lone pairs

Linear

3 bonds and 0 lone pairs

Trigonal Planar

2 bonds and 1 lone pair

Bent

4 bonds and 0 lone pairs

Tetrahedral

3 bonds and 1 lone pair

Trigonal Pyramidal

2 bonds and 2 lone pairs

Bent

5 bonds and 0 lone pairs

Trigonal Bipyramidal

4 bonds and 1 lone pair

Seesaw

3 bonds and 2 lone pairs

T Shape

2 bonds and 3 lone pairs

Linear

6 bonds and 0 lone pairs

Octahedral

5 bonds and 1 lone pair

Square Pyramidal

4 bonds and 2 lone pairs

Square Planar

Linear bond angle

180

Trigonal planar bond angle

120

Bent bond angle

120 with 1 lone pair and slightly less than 109.5 with two lone pairs

Tetrahedral bond angle

109.5

Trigonal Pyramidal bond angle

Slightly less than 109.5

Trigonal Bipyramidal

120 and 90

Octahedral

90

Symmetrical or no? Linear

yes

Symmetrical or no? Trigonal Planar

yes

Symmetrical or no? Tetrahedral

yes

Symmetrical or no? Trigonal Bipyramidal

yes

Symmetrical or no? Square Planar

yes

Symmetrical or no? Octahedral

yes

Symmetrical or no? Bent

no

Symmetrical or no? Seesaw

no

Symmetrical or no? T Shape

no

Symmetrical or no? Square Pyramidal

no

Symmetrical or no? Trigonal Pyramidal

no