Lect+24+Fall+2011

Lect+24+Fall+2011 - 10/28/2011 1 Chapter 7: The Fires of...

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Unformatted text preview: 10/28/2011 1 Chapter 7: The Fires of Nuclear Fission Nuclear Fission (continued) Oct. 31/2011 Reminder Group paper Due Nov. 4, 10 am 40 points Turnitin.com ( put group # and topic in title ) One submission per group; dont be late! Bring a hard copy to class; dont forget to include original annotated bibliography 2 Review: According to the following nuclear equation, I 131 is a: 1. Alpha emitter o 1- 131 54 131 53 e Xe I + + 3 2. Beta emitted 3. Alpha with accompanying gamma ray 4. Beta with accompanying gamma ray Review: Which of the following isotopes is most likely to be un stable? 1. Neon 20 2. Oxygen 16 4 3. Hydrogen 1 4. Bismuth 209 5. Boron 11 10/28/2011 2 Nuclear Radiation Therapy Can treat some types of cancer/diseases Ex. Graves disease (hyperactive thyroid) I 131 (radioisotope) concentrates in gland and emits radiation to destroy overactive tissue 5 How does I 131 treatment work? 1. I 131 partially destroys overactive tissue 2. 1 131 totally destroys overactive tissue 3 131 partially destroys healthy tissue...
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Lect+24+Fall+2011 - 10/28/2011 1 Chapter 7: The Fires of...

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