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WorksheetsNuclear Chemistry Review
Total questions: 13
Worksheet time: 20mins
Name
Class
Date
1.
What is the symbol for an alpha particle?
a)
42He
b)
0-1e
c)
0+1 e
d)
10n
2.
In a nuclear reactor what slows down neutrons?
a)
Control Rods
b)
Moderator
c)
Sheilding
d)
The brakes
3.
In the symbol 20682Pb what does 206 stand for?
a)
Mass number
b)
Atomic number
c)
Atomic mass
d)
Number of protons
4.
Balance the following equation:
146C --> 0-1e + ________
146C --> 0-1e + ________
a)
145B
b)
146C
c)
147N
d)
42He
5.
The name for protons and neutrons in nuclear chemistry is____
a)
beta particles
b)
positrons
c)
nucleons
d)
nuclides
6.
Which type of radiation has the greatest penetrating power?
a)
Alpha
b)
Beta
c)
Gamma
d)
Microwaves
7.
In a nuclear reactor what absorbs fast moving neutrons?
a)
generator
b)
moderator
c)
control rods
d)
sheilding
8.
What is the equation for the positron emission by oxygen-16?
a)
168O + 0+1e --> 169F
b)
168O --> 42He + 126C
c)
168O --> 0-1e + 169F
d)
168O --> 0+1e + 167N
9.
In the symbol 167N what the 7 stand for?
a)
Mass number
b)
Atomic number
c)
Atomic mass
d)
Number of neutrons
10.
Detects radiation by counting electric pulses carried by gas atoms ionized by radiation
a)
Geiger-Muller counter
b)
Scintillation counter
c)
Film badge
d)
Radioactive detective
11.
In fission neutron is often used to start the reaction and it is also a product of the reaction. This is called a ____
a)
neutron emission
b)
nuclear fusion
c)
domino effect
d)
chain reaction
12.
Which of the following is a fusion reaction?
a)
hydrogen-2 and hydrogen-3 combining to form a helium-4 atom and a neutron
b)
Carbon-14 emitting an alpha particle
c)
uranium-235 absorbing a neutron and breaking into barium-141, krypton-92, and three neutrons
d)
uranium-238 emitting a beta particle
13.
What kind of a nuclear reaction changes the number of protons in the nucleus?
a)
transmutation
b)
radioactive decay
c)
fusion and fission
d)
All of them listed in the other answer choices
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