1 / 56

Nuclear Chemistry

Nuclear Chemistry. Questions Answers. 2 A) Alpha B) Beta C) Gamma. He. Alpha. Is Lithium – 7 stable (A) or unstable (B) ?. Lithium - 7. Calculate the neutron to proton ratio. 3 protons. 4 neutrons. (7 – 3). 4 n 0. 1.3 n 0. unstable. =. 3 p +. 1 p +.

beyla
Download Presentation

Nuclear Chemistry

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Nuclear Chemistry Questions Answers

  2. 2A) AlphaB) BetaC) Gamma He

  3. Alpha

  4. Is Lithium – 7 stable (A) or unstable (B) ?

  5. Lithium - 7 Calculate the neutron to proton ratio 3 protons 4 neutrons (7 – 3) 4 n0 1.3 n0 unstable = 3 p+ 1 p+ **an element with 1-26 p+ should have a 1:1 ratio

  6. Which particle is negative?A) AlphaB) BetaC) Gamma

  7. Beta

  8. A photon A) AlphaB) BetaC) Gamma

  9. gamma

  10. Write an equation for the alpha decay of Protactinium-231

  11. Write an equation for the alpha decay of Protactinium-231 Pa  He + 231 Ac 4 227 91 2 89

  12. Least penetrating A) AlphaB) BetaC) Gamma

  13. Alpha

  14. Which element is naturally radioactive?A) Mo B) Zn C) Ar D) At

  15. D) Atthe atomic number is greater than 83

  16. Most Harmful A) AlphaB) BetaC) Gamma

  17. Gamma

  18. What is a half-life? A) half the age of a radioactive element B) the time it takes for half a sample to decayC) the time it takes for half a sample to decompose

  19. What is a half-life? A) half the age of a radioactive element B) the time it takes for half a sample to decayC) the time it takes for half a sample to decompose

  20. Which half-life represents the most stable isotope? A) 22 years B) 22 monthsC) 22 minutesD) 22 seconds

  21. Which half-life represents the most stable isotope? A) 22 yearsB) 22 monthsC) 22 minutesD) 22 seconds longer half life = more stable

  22. A fast moving electron A) AlphaB) BetaC) Gamma

  23. beta

  24. Has a mass number of 4 A) AlphaB) BetaC) Gamma

  25. alpha

  26. Carbon – 14 has… A) 6 protons and 14 neutronsB) 6 protons and 6 neutronsC) 6 protons and 8 neutrons

  27. Carbon – 14 has… A) 6 protons and 14 neutronsB) 6 protons and 6 neutronsC) 6 protons and 8 neutrons

  28. Which type of reactions have extremely large energy changes? A) fission and fusionB) chemical and nuclearC) fission, fusion, and chemical

  29. Which type of reactions have extremely large energy changes?A) fission and fusionB) chemical and nuclearC) fission, fusion, and chemical

  30. Which type of reactions occur in the sun? A) fission reactionsB) fusion reactionsC) chemical reactionsD) none of the above

  31. Which type of reactions occur in the sun? A) fission reactionsB) fusion reactionsC) chemical reactionsD) none of the above

  32. A strong nuclear force … A) breaks the nucleus apartB) holds the protons and electrons togetherC) makes the protons repel each otherD) holds the protons and neutrons together

  33. A strong nuclear force … A) breaks the nucleus apartB) holds the protons and electrons togetherC) makes the protons repel each otherD) holds the protons and neutrons together

  34. Is Silver - 107 stable or radioactive?

  35. Silver - 107 Calculate the neutron to proton ratio 47 protons 60 neutrons (107-47) 60 n0 1.27 n0 stable = 47 p+ 1 p+ **an element with 27-82 p+ should have a 1-1.5:1 ratio

  36. Does this image best describe A) alpha decayB) beta decayC) fissionD) fusion

  37. alpha decay

  38. Write a nuclear equation for the alpha decay of samarium - 149

  39. Write a nuclear equation for the alpha decay of samarium - 149 149 145 4 Sm Nd He + 62 60 2

  40. Write a nuclear equation for the beta decay of 152 Xe 54

  41. Write a nuclear equation for the beta decay of 152 Xe 54

  42. Write a nuclear equation for the beta decay of 152 Xe 54 152 152 0 Xe Cs e + 54 55 -1

  43. Can be blocked by foilA) AlphaB) BetaC) Gamma

  44. Beta

  45. Slowest A) AlphaB) BetaC) Gamma

  46. Alpha

  47. Has NO charge A) AlphaB) BetaC) Gamma

  48. Gamma

  49. Cs 120 55 Write a nuclear equation for the beta decay of

  50. Cs 120 55 Write a nuclear equation for the beta decay of Cs  Ba + 120 e 120 0 55 56 -1

More Related