BIG IDEA: Protons have the power to make an element what it is. Different numbers of neutrons make isotopes of an element.
1. Hand out quizzes, correct mistakes.
2. Review quiz #3
3. Assign homework.
4. Finish Subatomic Heavyweights, do Check-in.
5. Debrief Lab #3: Group II Metals
6. Honors Chem: J.J. Thompson, discovery of the electron discussion
http://www.aip.org/history/electron/
Homework: 1) Neutron worksheet 2) pg. 53-54 textbook
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