Chemistry: Atoms, Elements, and Compounds Periodic Trends Monday, March 5, 2012 1 - Periodic Families Note - <a href="Periodic%20Families.ppt">Periodic Families.ppt</a> Questions - pg 225 #1, 2, 11 2 - Theories of the Atom Read pg 228 - 233 Questions pg 233 #5, 7