Predicting
Molecular Geometry
1.Draw Lewis structure for molecule.
2.Count number of lone pairs on the central atom and number of atoms bonded to the central atom.
3.Use VSEPR to predict the geometry of the molecule.
What are the molecular geometries of SO2 and SF4?
S
O
O
AB2E
bent
S
F
F
F
F
AB4E
distorted
tetrahedron