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WorksheetsNuclear Chemistry
Total questions: 15
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
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
2.
Balance the following equation:
146C --> 0-1e + ________
146C --> 0-1e + ________
a)
145B
b)
146C
c)
147N
d)
42He
3.
In the symbol 167N what the 7 stand for?
a)
Mass number
b)
Atomic number
c)
Atomic mass
d)
Number of neutrons
4.
Alpha particles have a _____ charge.
a)
+2
b)
0
c)
+1
d)
-1
5.
What does it mean when an element is radioactive?
a)
atom emits radiation
b)
nucei unstable due to uneven p to n ratio
c)
nuclei changes to become stable
d)
all of the above
6.
What is the missing isotope that will balance the following nuclear equation?
94Be + 11H → _____ + 42He
94Be + 11H → _____ + 42He
a)
105B
b)
105Ne
c)
63Li
d)
63C
7.
The time taken for half of an amount of radioactive atoms to decay.
a)
Nuclear fusion
b)
Full-life
c)
Dead time
d)
Half-life
8.
What do these symbols represent?
a)
alpha particle
b)
beta particle
c)
neutron
d)
gamma ray
9.
What process is modeled with this equation?
a)
alpha decay
b)
beta decay
c)
fission
d)
fusion
10.
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
11.
What type of nuclear equation is this?
a)
fusion
b)
fission
c)
alpha
d)
beta
12.
Which nuclear process is shown in the picture?
a)
fission
b)
fusion
c)
alpha decay
d)
beta decay
13.
Classify this process.
a)
Nuclear fission
b)
Nuclear fusion
c)
Alpha decay
d)
Beta decay
14.
When nuclei decay, massive amounts of __________ is released.
a)
energy
b)
jello
c)
protons
d)
neutrons
15.
Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.
a)
Fusion
b)
Fission
c)
Tracing
d)
Decay
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