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WorksheetsNuclear Chemistry
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What do these symbols represent?
a)
alpha particle
b)
beta particle
c)
neutron
d)
gamma ray
2.
How many protons are in this atom?
a)
3
b)
4
c)
6
d)
10
3.
What do you call the energy required to prevent the protons in the nucleus from repelling?
a)
nuclear energy
b)
binding energy
c)
radioacitve energy
d)
electromagnetic energy
4.
How many neutrons are in this isotope of Uranium?
a)
235
b)
92
c)
327
d)
143
5.
How are these isotopes different?
a)
Different atomic numbers
b)
Different number of protons
c)
Different number of neutrons
d)
Different number of electrons
6.
What process is modeled by the equation?
a)
alpha decay
b)
beta decay
c)
fission
d)
fusion
7.
What process is modeled with this equation?
a)
alpha decay
b)
beta decay
c)
fission
d)
fusion
8.
What is the mass number of at isotope that has 20 protons, 21 neutrons and 18 electrons?
a)
18
b)
20
c)
21
d)
41
9.
What is one problem with using nuclear fission as an energy source?
a)
finding radioactive elements that have longer half-lives
b)
finding ways of storing radioactive wastes
c)
finding compounds to cool heated water
d)
finding non-radioactive elements for reactors
10.
What type of nuclear equation is this?
a)
fusion
b)
fission
c)
alpha
d)
beta
11.
What sort of shield will block gamma rays?
a)
skin
b)
paper
c)
aluminum
d)
thick lead
12.
Which nuclear process is shown in the picture?
a)
fission
b)
fusion
c)
alpha decay
d)
beta decay
13.
In a neutral atom, the number of protons always equals
a)
the number of neutrons.
b)
the number of electrons.
c)
the mass number.
d)
the average atomic mass.
14.
Why does an atom undergo beta decay?
a)
It has too many electrons.
b)
It has an atomic number greater than 83
c)
It has more neutrons than protons
d)
It has more protons than neutrons
15.
What happens to the atomic number during alpha decay?
a)
The atomic number decreases by 4
b)
The atomic number increases by 1
c)
The atomic number decreases by 2.
d)
The atomic number stays the same.
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