WorksheetsNuclear Radiation and Radioactivity
Total questions: 16
Worksheet time: 13mins
Name
Class
Date
1.
The type of radioactive particle that can be most easily stopped is the ____.
a)
Alpha Particle
b)
Beta Particle
c)
Gamma Ray
d)
Uranium
2.
The three types of nuclear radiation in increasing order of penetrating power are ____.
a)
gamma, beta, alpha
b)
alpha, gamma, beta
c)
alpha, beta, gamma
d)
beta, gamma, alpha
3.
The most penetrating type of radiation is the ____.
a)
alpha particle
b)
beta particle
c)
gamma ray
d)
uranium
4.
Negatively charged particles emitted from a nucleus at a high speed are ____.
a)
alpha particles
b)
beta particles
c)
gamma rays
d)
uranium
5.
Which radiation has no electric charge associated with it?
a)
alpha
b)
beta
c)
gamma
d)
alpha and beta
6.
An alpha particle consists of
a)
two protons, two neutrons, and two electrons.
b)
two neutrons and two electrons.
c)
two protons and two neutrons.
d)
two protons and two electrons.
7.
Which type of radioactive decay occurs when the atomic number increases by one?
a)
beta decay
b)
alpha decay
c)
positron decay
d)
gamma decay
8.
When a nucleus emits a beta particle, its atomic number
a)
changes, and so does its mass number.
b)
changes, but its mass number remains constant.
c)
remains constant, and so does its mass number.
d)
remains constant, but its mass number changes.
9.
When uranium (92 protons) ejects an alpha particle, the nucleus left behind has
a)
92 protons.
b)
91 protons.
c)
90 protons.
d)
89 protons.
10.
When thorium (90 protons) ejects a beta particle, the resulting nucleus has
a)
88 protons.
b)
89 protons.
c)
90 protons.
d)
91 protons.
11.
An element will decay to another element with higher atomic number in the periodic table if it emits
a)
a proton.
b)
an alpha particle.
c)
a beta particle.
d)
a gamma ray.
12.
Which type of radioactive decay only releases energy?
a)
gamma decay
b)
alpha decay
c)
beta decay
13.
What is the symbol for an alpha particle?
a)
42He
b)
0-1e
c)
0+1 e
d)
10n
14.
Which type of radiation is most penetrating?
a)
Gamma
b)
They are equal
c)
Beta
d)
Alpha
15.
Type of radiation that requires thick layers of concrete or lead in order to be stopped
a)
Gamma
b)
They are equal
c)
Beta
d)
Alpha
16.
Arrange in order of increasing ability to penetrate matter.
a)
Beta, gamma, alpha
b)
Alpha, gamma, beta
c)
Gamma, beta, alpha
d)
Alpha, beta, gamma
100 %
