1. Give the electron configuration for the following atoms or ions: Fe, Fe2+, Cu, Cu+.
2. Draw the lowest energy Lewis dot structures for each of the following and give the formal charge and the oxidation number for each atom in the molecule: a) SO3; b) XeO3; c) BrF3; d) IF5.
3. Draw the structures of each of the molecules in question 2 and estimate all of the bond angles in each.
4. Give the point group for each molecule in question 2.