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Nuclear Energy Quiz 5 (25 MCQs)

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1. Why is the mining of Uranium prohibited in Virginia?
2. How many neutrons will an atom have it has an atomic number of 26, an atomic mass of 58 and a charge of +3?
3. Complete the phrase:'The longer an element's half-life _____ '
4. Nuclear power plants rely on which of the following reactions to generate energy?
5. Disadvantages of nuclear energy
6. A radioactive isotope has a half life of 20 years. At year 0, there are 100 radioactive atoms. What fraction are left after 100 years of decay? Sketch out a table if you need to.
7. In a nuclear reactor what absorbs fast moving neutrons?
8. When U-235 splits it releases _____ more neutrons.
9. Which type of energy generates the most energy with the least recorces?
10. What is a benefit of nuclear fission?
11. As a result of Operation Castle Bravo, the United States contributed large amounts of which of the following to the ocean?
12. One type of radioactive device that indicates the intensity of radiation with a clicking sound that increases in frequency as more radiation is present is a(n) _____
13. You have 100 grams of radioactive C-14. The half life of C-14 is 5730 years. How many grams are left after 1 half life?
14. Which of the following statements describes a gamma ray?
15. Where is the nuclear power plant Fukushima located?
16. During which war did the U.S. create the atomic bomb?
17. The charge of electron is _____
18. Gamma rays have a _____ charge
19. What isotope of Uranium is used in nuclear reactors?
20. When does a nuclear power plant create energy?
21. The total amount of waste produced by 435 nuclear power plants worldwide per year is equivalent to _____
22. Which process do hydrogen atoms use to make the Sun's energy?
23. Which of the following is a negative of nuclear energy?
24. The rate at which a radioactive element decays is its _____
25. The word repository in paragraph 9 means
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