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Final Jeopardy

Final Jeopardy. Final Jeopardy Category. Final Jeopardy. answer. question. $200. half life. The amount of time it takes for a radioactive sample to decay to ½ of itself original mass is called_____. $400. 50%.

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Final Jeopardy

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  1. Final Jeopardy Final Jeopardy Category

  2. Final Jeopardy answer question

  3. $200 half life • The amount of time it takes for a radioactive sample to decay to ½ of itself original mass is called_____

  4. $400 50% If a radioactive sample goes through 1 half life, what percent of the sample is left?

  5. $600 1/16 = 6.25% • A sample goes through 4 half lives. What fraction of the sample remains? What percent remains?

  6. $800 10g • The half-life of K-42 is 12.4 hours. How much of a 320g sample is left after 62 hours

  7. $1000 2 • 60g sample of N-16 decays to 15g in 14.4 seconds. How many half lives does it go through?

  8. $200 False • True or False: A radioactive particle gets bombarded by a particle in natural transmutation

  9. $400 147N 146C 0-1e + ________

  10. $600 42He 23090Th  _____ 22688Ra

  11. $800 1910Ne _____ 0+1e + 199F

  12. $1000 0+1e + 3719K • 3720Ca  ______ + _______

  13. $200 • True • True or False: A radioactive particle gets bombarded by a particle in artificial transmutation

  14. $400 Fusion • Name this type of AT is • 21H +11H 42He + 2 11H + energy

  15. $600 • Alpha is positive and so is the nucleus, they want to repel • Why was an alpha particle have to bombard a nucleus at really high speeds?

  16. $1000 Ba-138 A barium-137 atom is bombarded with a neutron. What isotope is formed?

  17. $200 • 42He • draw the notation for an alpha particle

  18. $800 Fission • Name this type of AT • 23592U +10n 143Ba + 90Kr + 3 10n + energy

  19. $400 0-1e • draw the notation for a B- (beta)

  20. $600 0+1e • draw the notation for the B+ (positron)

  21. $800 gamma or neutron This particle does not affect the atomic number

  22. $1000 Gamma, no charge • This particle does not affect the atomic number or the mass number, what is its charge

  23. $200 • U-235 This isotope is used for making atomic bombs

  24. $400 C-14 • This isotope is usually used for relative dating of fossils

  25. $600 Mold (spores) and bacteria • Foods are irradiated to kill these

  26. $800 • cancer treatment, energy, treating food Name one good use of radioactive isotopes

  27. $1000 C-14 p=6 and n=8 Not a 1 to 1 ratio C-14 vs N-14 Which is radioactive and why

  28. $200 answer question

  29. $400 answer question

  30. $600 answer question

  31. $800 answer question

  32. $1000 answer question

  33. $400 answer question

  34. $800 answer question

  35. $1200 answer question

  36. $1600 answer question

  37. $2000 answer question

  38. $400 answer question

  39. $800 answer question

  40. $1200 answer question

  41. $1600 answer question

  42. $2000 answer question

  43. $400 answer question

  44. $800 answer question

  45. $1200 answer question

  46. $1600 answer question

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