Princeton 2012/Barron 4th ed.
AP Practice Problems
Unit 15 – Nuclear Chemistry
Multiple Choice (no calculator)
For questions 16-19, one of the following
answer choices will apply. Each response
may be used more than once or not at all in
these questions.
A.
B.
C.
D.
E.
Alpha particle
Positron
Beta particle
Gamma ray
Neutron
16. An electron is also called this in
nuclear reactions. (B3.1)
17. Radioactive elements with an atomic
number greater than 83 often
decompose with the emission of this
particle. (B3.2)
18. Emission of which of these in a
nuclear reaction will result in no
change in either the mass or the
atomic number? (B3.3)
19. The nuclear decay of uranium-235
into krypton-94 and barium-139
process is balanced with which of
these? (B3.4)
20. In which of the following are nuclear
particles listed in order of increasing
penetrating power? (B3.5)
a. Alpha particles < beta
particles < neutrons
b. Beta particles < alpha
particles < neutrons
c. Neutrons < alpha particles <
beta particles
d. Beta particles < neutrons <
alpha particles
e. Neutrons < beta particles <
alpha particles
21. What symbol should replace the
question mark in the following
nuclear reaction? (B3.6)
234
a.
b.
c.
d.
e.
4
U  230Th + ?
He
Princeton 2012/Barron 4th ed.
22. Uranium-235 undergoes a fission
reaction, and one of the products is
139
Ba. One neutron is required to
induce the fission, and three neutrons
are emitted. What is the other fission
product? (B3.9)
23. Which of the following is most
probably a stable isotope? (B3.12)
a.
b.
c.
a.
d.
b.
e.
c.
d.
e.
Princeton 2012/Barron 4th ed.
Answer Key – Nuclear Chemistry
1. B
2. A
3. E
4. C
5. C
6. A
7. B
8. A
9. A
10. A
11. D
12. C
13. B
14. D
15. B
16. C
17. A
18. D
19. E
20. A
21. A
22. D
23. D