Our final unit! This period is about introducing you to oxidation numbers for elements, both alone and in compounds. Read p.650-653 and answer p.653 #1, 4; read p.654-656 including the "Learning Tip" and "Did You Know" boxes in the margins and answer p.656 #7-11; read p.657-659 including "Learning Tip" boxes and answer p.659 #12, 13, 15.