Name: ____________________________________
Class: _____________
Date: _____________
Self Assessment: Fission and Fusion (Chemistry)
1. Which of the following describes the greatest challenge to the use of fusion power?
a) cleaner source of energy
b) extremely high temperature
c) very high energy per unit mass
d) availability of fuel
2. A neutron hits a uranium 235 nucleus, releasing three neutrons that hit other uranium 235 nuclei. This
fission reaction is a _____.
a) beta decay
b) chain reaction
c) uranium 235 series
d) neutron decay
3. What kind of decay is measured in the carbon 14 dating process?
a) gamma
b) alpha
c) positron
d) beta
4. How are the nuclides thallium 201 and technetium 99 used in medicine?
a) Both nuclides concentrate in healthy heart tissue.
b) Technetium 99 concentrates in healthy heart tissue, and thallium 201 concentrates in abnormal heart
tissue.
c) Thallium 201 concentrates in healthy heart tissue, and technetium 99 concentrates in abnormal heart
tissue.
d) Both nuclides concentrate in abnormal heart tissue.
5. Which of the following technologies is being investigated to make fusion power more practical?
a) stainless steel containers
b) ceramic cylinders
c) high temperature plastics
d) magnetic field containment
PAGE 1
Name: ____________________________________
Class: _____________
Date: _____________
Self Assessment: Fission and Fusion (Chemistry)
6. Which of the following nuclides has the highest binding energy?
a) technetium 99
b) boron 10
c) iron 56
d) iodine 123
7. Which two elements would make good control rods for nuclear power plants?
a) lithium and cadmium
b) boron and beryllium
c) potassium and lithium
d) boron and cadmium
8. What natural resource could supply fuel for fusion power plants?
a) air
b) oceans
c) earth
d) oil
9. The primary electrostatic force that contributes to unstable nuclei in elements with atomic numbers greater
than bismuth is _____.
a) electron proton attraction
b) proton proton repulsion
c) electron electron repulsion
d) proton neutron attraction
10. Suppose a meteorite falls into your backyard. Which method would you use to find its age?
a) potassium argon method
b) cobalt 60 method
c) uranium lead method
d) carbon 14 dating
PAGE 2
ANSWER KEY
1. b
2. b
3. d
4. c
5. d
6. c
ANSWER KEY Page 1
7. d
8. b
9. b
10. c