Nuclear Chemistry (Textbook)

Nuclear Chemistry (textbook)

1. An alpha particle is identical to a. a neutron b. a helium nucleus c. an electron d. a hydrogen nucleus

2. When a beta particle is emitted, the mass number of a nucleus a. increases by one b. decreases by one c. a gamma ray d. an electron

3. The most penetrating form of nuclear radiation is a. an alpha particle b. a beta particle c. a gamma ray d. an electron

4. The half- life of cobalt- 60 is 5.3 years. What fraction of a sample remains in after 21.2 years? a. one half b. one quarter c. one eighth d. one sixteenth

5. Which of the following is a radioisotope commonly used in dating archeological artifacts? a. nitrogen- 14 b. carbon- 12 c. uranium- 235 d. carbon- 14

6. Transmutation does not occur in which of these nuclear processes? a. nuclear fission b. nuclear fusion c. alpha decay d. gamma decay 7. Based on its location on the periodic table, an element that is not naturally occurring is: a. terbium (Tb) b. curium (Cm) c. holmium (Ho) d. Lutetium (Lu)

8. Nuclear particles are held together by a. the strong nuclear force b. electrical attraction c. quarks d. electrical repulsion

9. Nuclear power plants generate electricity from a. nuclear fusion b. nuclear fission c. combustion d. radioactivity

10. The primary reaction inside stars changes a. hydrogen to helium b. helium to hydrogen c. uranium to plutonium d. nitrogen to carbon