CHE 11, Fall 1998
Quiz 9
November 20, 1998

Write Lewis dot structures for the following compounds. For each molecule, predict the molecular geometry and determine whether it will be polar or nonpolar.

1. AsF₅

2. BH₃

3. How are hybrid orbitals different from unhybridized orbitals? Your answer should include at least two differences.

4. Compare the bond lengths and bond energies for carbon monoxide (CO) and carbon dioxide (CO₂). You will find it helpful to write Lewis dot structures for these compounds first.