1. Finish PS 2.7
2. Chem and Phys Lab format (due 9/11)
1. Draw and label the planetary view of the element Chlorine (Cl).
2. If an element has 12 protons how many electrons will it have?
3. I have an accident and a spark ignites a gas can causing it to catch on fire. What signs will I notice that tell me a chemical reaction happened?