Here are the assigned problems for Chapter 2: #1,8,9,11,13,17,21,29-35 odd, 39,41,51,53,60,61,67-71 odd.
Again, these are problems I think are worth while. If you are stuck on a problem, we can go over it in class. If you know you have mastered a particular problem and don't want to do it, don't.
History of the Periodic Table Video
How Small is the Atom Video.
Day 1:
See Chapter 1 for timeline.