WorksheetsNuclear Chemistry Review
Total questions: 14
Worksheet time: 12mins
Name
Class
Date
1.
When a nucleus undergoes gamma decay, it emits a(n)
a)
Alpha Particle
b)
Beta Particle
c)
Energy
d)
Two of the above
2.
In beta decay, an unstable nucleus gains a proton when a(n)
a)
proton divides and becomes two protons.
b)
neutron develops a positive electric charge.
c)
neutron breaks down to a proton and an electron.
d)
electron reverses its charge and becomes a proton.
3.
An alpha particle can penetrate
a)
a sheet of paper.
b)
a thin layer of cloth.
c)
a sheet of aluminum.
d)
none of the above
4.
Identify the missing substance in each of the following nuclear reactions.
_____→137 56 Ba + 0 −1 e
_____→137 56 Ba + 0 −1 e
a)
13755Ba
b)
13757La
c)
13856Ba
d)
137 55Cs
5.
During Beta decay, the neutron to proton ratio of atoms undergoing decay is
a)
Increasing
b)
Decreasing
c)
Remains constant
d)
None of the Above
6.
Which nuclear emission involves the release of helium nuclei?
a)
alpha
b)
gamma
c)
positron
d)
beta
7.
Which of the following nuclear emissions involves the release of a particle with no mass and a charge of +1?
a)
proton
b)
beta
c)
positron
d)
alpha
8.
Which of the following nuclear emissions has the greatest penetrating power?
a)
alpha
b)
gamma
c)
beta
d)
positron
9.
Radium-228 undergoes alpha decay to form what daughter isotope and decay particle?
a)
22886Rn + 42He
b)
22488Ra + 42He
c)
22486Rn + 42He
d)
22888Ra + 42He
10.
What kind of radioactive decay is/are involved in the radioactive decay series?
a)
Alpha decay
b)
Beta decay
c)
Gamma decay
d)
Both A and B
11.
Radium-223 (22388Ra) undergoes gamma decay to produce what daughter isotope and decay particle?
a)
22086Rn + γ
b)
22388Ra + γ
c)
22288Ra + γ
d)
22286Rn + γ
12.
The number of neutrons in a parent nucleus X which gives 147N after two sucessive beta emissions would be ____.
a)
10
b)
8
c)
9
d)
7
13.
Which of the following elements is formed when an alpha particle is emitted from americium-241?
a)
Uranium-235
b)
Radium-226
c)
Plutonium-238
d)
Neptunium-237
14.
Oxygen-16 undergoes positron emmission to form what daughter isotope and decay particle?
a)
167N + e+
b)
178O + e+
c)
166O + e+
d)
157N + e+
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