1. Who discovered the nucleus?
2. Who discovered radioactivity?
3. State the location and sign of the proton.
4. Define: atomic number.
5. State the location and sign of the neutron.
6. Define: mass number.
7. Define an isotope in terms of: a) atomic and mass number.
                                                 b) chemical behavior.
8. Describe the accidental discovery of radioactivity.
9. Name the three types of radioactive decay.
10. Rutherford classified the three types of radiation according to what characteristic?
11. What are the following radioactive decay particles: a) alpha b) beta c) gamma?
12. The motion of which of these particles is not affected by charged plates?
13. How is the atom affected by each of the types of radioactive decay?
14. What is a transmutation?
15. Generally, a nuclear reaction occurs when?
16. What is the a connection between nuclear and chemical reactions re: energy flow?
17. Do some nuclear reactions destroy nuclear particles?
18. Define: half-life.
19. From Table 30-1, p 621, which element has the a) longest b) shortest half-life?
20. a) What is the design of a linear accelerator?
      b) It accelerates what particles?
      c) How?
21. Answer the same three questions about the synchrotron.
22. What is the general purpose of the linear accelerator and the synchrotron?
23. Name four particle detectors.
24. How does each device reveal the presence of radioactive particles?
25. Create a five panel cartoon strip showing the operation of the Geiger-Mueller Tube.
26. In Figure 30-10, p 628, what characteristic feature of the spark chamber is obvious?
27. Figure 30-12, p 630, was produced by which device?
28. Summarize the hazards from radon.
 

1. Which area of physics receives the most press?
2. What happens to materials placed close to radioactive materials?
3. What is a benefit of irradiating food?
4. What are tracer isotopes?
5. What is the purpose of a PET scanner?
6. How is radiation used in cancer treatment?
7. What is a chain reaction?
8. In a nuclear reactor, what is the function of: a) a moderator b) control rods?
9. Use Figure 31-5, p 648 to help you summarize the operation of a nuclear reactor.
10. Contrast nuclear fission and fusion.
11. What is the purpose of the Tokamak?
12. How are lasers connected with fusion research?