Solutions Problems 


Bond Angles

Drawings by Jennifer Edwards
Linear Molecule Trigonal Planar
2 pairs total
2 shared pairs
0 unshared pairs

example: MgCl2

3 pairs total
3 shared pairs
0 unshared pairs

example: BF3

 

Irregular Trigonal Planar (Bent)
3 pairs total
2 shared pairs
1 unshared pairs

bond angle <120o
example: O3

Tetrahedral Trigonal Bipyramidal
4 pairs total
4 shared pairs
0 unshared pairs
5 pairs total
5 shared pairs
0 unshared pairs
Irregular Tetrahedral Irregular Bipyrmidal
4 pairs total
3 shared pairs
1 unshared pairs

bond angles <109.5o
example: NH3

4 pairs total
2 shared pairs
1 unshared pairs

bond angles 104.5o
example: H2O

 

5 pairs total
4 shared pairs
1 unshared pairs

bond angles <120o and <90o
example: SF4

5 pairs total
3 shared pairs
2 unshared pairs

bond angles 120o
example: BrF3

5 pairs total
2 shared pairs
3 unshared pairs

bond angle 180o
example: XeF2

Octahedral
6 pairs total
6 shared pairs
0 unshared pairs
Irregular Octahedral
6 pairs total
5 shared pairs
1 unshared pairs

bond angles <90o
example: IF5

6 pairs total
4 shared pairs
2 unshared pairs

bond angles 90o
example: XeF4

 

Solutions