C4.5 Radioactivity

1. The half-life of a radioactive isotope is the time taken for a given mass or number of nuclides to decay to half it's original mass or number. True or False

2. The process where an unstable nuclide breaks up to yield another nuclide of different compositions with the emission of particles and energy is called

3. Which among the radiation particles have a high ionizing effect?

4. Which of the following statement is CORRECT about Nuclear fusion

5. Which material can stop beta particles from passing through with its penetration power?

6. How are beta particles deflected by an electric field?

7. The process of determining the age of dead organic matter using the half-life of carbon 14 is known as?

8. What is the name given when a nuclei combine when they are made to collide at high velocity resulting in the formation of a heavy nucleus and release energy?

9. Which among the following is an example of radioactive material?

10. The spontaneous disintegration of radioactive nuclides is known as

11. How are alpha particles deflected by an electric field?

12. Which of the following statement is CORRECT about beta radioactive particles?

13. In a nuclear reaction explain what happens when a beta particle is emitted from the nucleus

14. What is the main cause that explains why nuclear fission is accompanied by a release of an enormous amount of energy

15. How does a chain reaction occur in nuclear fusion?

16. In a nuclear reaction explain what happens when an alpha particle is emitted from the nucleus

17. Mention the difference between nuclear reaction and chemical reaction

18. Explain the reason why gamma rays are not shown when writing nuclear equations

19. The shorter the half-life the faster the rate of decay of the nuclide while the longer the half-life the slower the rate of decay of the nuclide. True or False

20. Radioactivity is what kind of a process

21. Which of the following is NOT an application of radioactive isotopes

22. Mention the medical applications of radioactivity

23. Which of the following is INCORRECT about alpha radioactive particles?

24. Mention the 2 types of radioactivity

25. Which of the following material can ONLY stop gamma radiation particles from penetration

26. Which of the radiation particles have the highest penetration power?

27. How does a chain reaction occurs in nuclear fission

28. Give a reason as to how nuclear fusion and fission are similar nuclear reaction processes?

29. Which of the following radiation particles has the least penetration power?

30. Explain why alpha particles have a very high ionizing effect as they pass through gases

31. The substance which undergoes radioactivity is said to be radioactive

32. Give the name of the series which represents the sequential and continuous disintegration of an unstable nuclide until a stable nuclide is formed

33. Which material can stop alpha particles from passing through with its penetration power

34. Name the 3 types of radiation

35. The splitting process a heavy nuclide undergoes when bombarded by a fast-moving neutron is called?

36. Which of the following statement is INCORRECT about Gamma radiation?

37. Which of the following statement is CORRECT about Nuclear fusion?