2. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Radioactive Decay PLAY DON’T CHA VIDEO What are the 3 types of decay? 1.Alpha –Release of Helium nucleus 2.Beta –Release of an electron 3.Gamma –Release of an energy burst What are the 3 types of decay? 1.Alpha –Release of Helium nucleus 2.Beta –Release of an electron 3.Gamma –Release of an energy burst

3. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Alpha Decay: When an unstable nucleus releases a Helium nucleus, which is called an ALPHA PARTICLE = HELIUM NUCLEUS PLAY ALPHA CLIPα

4. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com ALPHA DECAY

5. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com ALPHA DECAY

6. Alpha Decay:

7. ALPHA DECAY

8. WATCH! RUN ALPHA DECAY SIMULATOR

9. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Alpha Decay: Example Equation.

10. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Alpha Decay: Example Equation.

11. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Alpha Decay: Complete the equation.

12. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Alpha Decay: Complete the equation.

13. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Alpha Decay: Complete the equation.

14. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Beta Decay: When an unstable nucleus turns a neutron into a proton and releases an electron. BETA PARTICLE = ELECTRON pn β PLAY BETA CLIP

15. BETA DECAYpn

16. pn

17. Protons and neutrons are made of smaller particles called QUARKS

18. Beta Decay:

19. BETA DECAY

20. e WATCH! RUN BETA DECAY SIMULATOR

21. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Beta Decay: Example Equation. p n

22. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Beta Decay: Example Equation. p n

23. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Beta Decay: Example Equation. p n

24. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Beta Decay: Example Equation. p n

25. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Beta Decay: Example Equation. p n

26. Gamma Rays:

27. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Gamma Radiation: When an unstable nucleus releases a burst of high energy wavelengths. GAMMA = ENERGY PLAY THE HULK CLIPPLAY GAMMA RAY VIDEO PLAY GAMMA CLIP

28. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com GAMMA RAYS

29. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Gamma Rays: Example Equation.

30. LESSON SUMMARY  Identify the Main Topic. Use my analogies. The topic we learned in chemistry today was __________, which is caused by…  Give an example of the topic. For instance, _____ is a good example of the topic because…  Explain additional details of your example. Furthermore, your example shows the topic because it demonstrates…

31. Copyright 2011 CreativeChemistryLessons.comCreativeChemistryLessons.com Penetration Power PLAY DON’T CHA VIDEO Power of Radioactive Decay 1.Alpha –Gets blocked by paper 2.Beta –Gets blocked by wood or aluminum 3.Gamma –Gets blocked by lead or thick concrete Power of Radioactive Decay 1.Alpha –Gets blocked by paper 2.Beta –Gets blocked by wood or aluminum 3.Gamma –Gets blocked by lead or thick concrete PLAY RADIATION PENETRATION CLIP

32. PAPER WOOD OR ALUMINUM WOOD OR ALUMINUM LEAD OR CONCRETE LEAD OR CONCRETE

33. PAPER WOOD OR ALUMINUM WOOD OR ALUMINUM LEAD OR CONCRETE LEAD OR CONCRETE

34. BODY ARMOR 1: NONE 2: PAPER 3: WOOD 4: ALUMINUM 5: LEAD 6: CONCRETE SWORD 1: ALPHA 2: ALPHA 3: BETA 4: BETA 5: GAMMA 6: GAMMA