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WorksheetsNuclear Chemistry Particles
Total questions: 27
Worksheet time: 23mins
Name
Class
Date
1.
What is the nucleus made of?
a)
Radioactivity
b)
Electrons
c)
Protons and Neutrons
d)
Isotope of Helium
2.
Half-life
a)
Process of changing one element to another
b)
Amount of time it takes for half of the nuclides to decay
c)
Half of your life is over
d)
1/2 of the substance
3.
What is a beta particle?
a)
A positively charged particle
b)
An electron
c)
A neutron
d)
A particle that is both positively and negatively charged
4.
What is an alpha particle made of?
a)
2 electrons and 2 protons
b)
Only electrons
c)
Particles with a -1 charge
d)
2 protons and 2 neutrons
5.
If you start with 100 grams of iodine-131 and the half life is 2 days, how many grams is left after 6 days?
a)
25 grams
b)
12.5 grams
c)
50 grams
d)
200 grams
6.
The sun uses which type of energy
a)
Nuclear fission
b)
Nuclear fusion
c)
Fossil fuels
d)
Both fission and fusion
7.
Radioactive materials have unstable
a)
Nuclei
b)
Electrons
c)
Protons
d)
Neutrons
8.
Alpha particles are nuclei of
a)
Oxygen
b)
Nitrogen
c)
Hydrogen
d)
Helium
9.
Radium-226 decays to radon-222 by emitting
a)
Alpha particles
b)
Beta particles
c)
Positrons
d)
Gamma particles
10.
The process of one atom changing to another atom because of nuclear decay
a)
Tadon
b)
Nuclear mass
c)
Isotopes
d)
Transmutation
11.
Charge of a beta particle
a)
+1
b)
0
c)
-1
d)
2
12.
Nuclear decay that can be stopped by aluminum
a)
Gamma
b)
Beta
c)
Alpha
d)
Alpha & Beta
13.
Nuclear decay that can be stopped by skin or paper
a)
Gamma
b)
Neutron
c)
Beta
d)
Alpha
14.
Nuclear decay with no mass and no charge
a)
Beta
b)
Gamma
c)
Neutron
d)
Alpha
15.
Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.
a)
Fusion
b)
Fission
c)
Tracing
d)
Decay
16.
This type of reaction occurs when a heavy nucleus, such as U-235, splits into two or more parts.
a)
Fission
b)
Fusion
c)
Chain reaction
d)
Synthesis
17.
a)
Fission reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Beta decay
18.
a)
Nuclear fusion
b)
Nuclear action
c)
Alpha decay
d)
Nuclear chain reaction
19.
What is meant by the statement that P-32 has a half life of 14 days?
a)
After 7 days 50% of the radioactive substance decays
b)
After 14 days 50% of the radioactive substance decays
c)
After 14 days it starts to become less radioactive
d)
After 28 days all the radioactive substance will be gone
20.
In order of most to least penetrating radiation we have
a)
Alpha , Beta, Gamma
b)
Beta , Gamma , Alpha
c)
Gamma, Beta, Alpha
d)
Gamma, Alpha, Beta
21.
A continuous, self-feeding series of nuclear fission reactions is a
a)
Chain reaction
b)
Chemical reaction
c)
Fusion reaction
d)
Alpha reaction
22.
Which is currently used today to produce electricity?
a)
Fission
b)
Fusion
23.
What is the half-life of iodine-131?
a)
32 days
b)
8 days
c)
16 days
d)
24 days
24.
Which of the following numbers completes the nuclear equation?
a)
230
b)
88
c)
226
d)
222
25.
Why are nuclear power plants used if they produce large amounts of toxic waste?
a)
They require little maintenance.
b)
They can use any element to produce power.
c)
They can convert a small mass into a lot of energy.
d)
They need little monitoring.
26.
Which of the following is a disadvantage of nuclear fission?
a)
Toxic waste produced
b)
Large amounts of energy produced
c)
Ability to produce nuclear warheads
d)
Production of air pollution
27.
Why is it difficult to carry out a fusion reaction in a nuclear reactor?
a)
It releases harmful rays.
b)
It is difficult to control.
c)
It requires extremely low temperatures.
d)
It requires extremely high temperatures.
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