Unit 2: Molecular Geometry (READ DESCRIPTION)

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Linear:

# of bonded atoms and unbonded pairs on central atom

Linear:

# of bonded atoms and unbonded pairs on central atom

2 bonded, 0/3 unbonded

Trigonal Planar:

# of bonded atoms and unbonded pairs on central atom

3 bonded, 0 unbonded

Bent:

# of bonded atoms and unbonded pairs on central atom

2 bonded, 1/2 unbonded

Tetrahedral:

# of bonded atoms and unbonded pairs on central atom

4 bonded, 0 unbonded

Trigonal Pyramidal:

# of bonded atoms and unbonded pairs on central atom

3 bonded, 1 unbonded

Trigonal Bipyramidal:

# of bonded atoms and unbonded pairs on central atom

5 bonded, 0 unbonded

Octahedral:

# of bonded atoms and unbonded pairs on central atom

6 bonded, 0 unbonded

Square Planar:

# of bonded atoms and unbonded pairs on central atom

4 bonded, 2 unbonded

Square Pyramidal:

# of bonded atoms and unbonded pairs on central atom

5 bonded, 1 unbonded

T-Shaped:

# of bonded atoms and unbonded pairs on central atom

3 bonded, 2 unbonded

Linear:

Bond Angles

180

Trigonal Planar:

Bond Angles

120

Bent:

Bond Angles

<120 (1 unbonded pair) OR <105 (2 unbonded pairs)

Tetrahedral:

Bond Angles

<109.5

Trigonal Pyramidal:

Bond Angles

<109

Trigonal Bipyramidal:

Bond Angles

90, 120

Octahedral:

Bond Angles

90, 180

Square Planar:

Bond Angles

90

Square Pyramidal:

Bond Angles

90

T-Shaped

Bond Angles

90, 120