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Nuclear Energy Quiz 14 (25 MCQs)

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1. Which words in the "No" response convey the author's attitude toward nuclear energy?
2. The moderator in a nuclear reactor _____
3. A radioactive isotope has a half life of 20 years. At year 0, there are 100 radioactive atoms. How many daughter atoms exist after 40 years of decay? Sketch out a table if you need to.
4. Which of the following statements BEST describes nuclear fusion?
5. The amount of time it take for 1/2 of any sample to decay is know as its what?
6. What is the name of the structure in a nuclear power plant that cools steam back into liquid water?
7. Which of the following is NOT a positive use of nuclear energy?
8. Which isotope is used to treat nuclear reactions?
9. What is the half life of Uranium?
10. About how much of Canada's Energy Comes from nuclear sources?
11. Nuclear energy is made from:
12. What nuclear process occurs in the sun?
13. What benefit does nuclear energy have over fossil fuels?
14. When uranium is processed to make it a concentrated form of the most unstable atoms, it is called _____
15. What process occurs when two atoms merge to form one singe, larger atom?
16. What is the half-life of a radioisotope if 50.0 grams of an original 200.-gram sample? (after 15.60 years total)
17. In the isotope name, Uranium-253, what does the 253 represent?
18. Which nuclear process occurs because there is a lot of HEAT and PRESSURE pushing down on nuclei?
19. In the isotope name, Hydrogen-3, what does the 3 represent?
20. All of the following are advantages of using nuclear power EXCEPT-
21. Fusion produces nuclei that are _____ the original nuclei
22. Which produces more energy _____ nuclear fission or nuclear fusion?
23. We use the energy stored in the nucleus of an atom by converting it to _____, which can then be used to generate electricity.
24. Where did major nuclear catastrophes happen?
25. What type of radiation is most penetrating?
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