Welcome to the Quiz!
This quiz contains 14 questions from a mix of 1 subtopics.
What primarily determines the stability of an atomic nucleus?
the number of protons
the total number of nucleons
the number of neutrons
the balance between the strong nuclear force and electrostatic force
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Which of the following can cause a nucleus to become unstable and radioactive?
too many neutrons
A total number of nucleons that is too high
all of the above
too few neutrons
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What is the charge of an alpha particle?
0
-1
+2
+1
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Which type of radiation has the highest ionising power?
beta plus
alpha
beta minus
gamma
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Which type of radiation has the longest range in air?
gamma
alpha
beta minus
beta plus
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Alpha decay is characteristic of which type of nuclei?
nuclei with an excess of protons
nuclei with an excess of neutrons
very light nuclei
very heavy nuclei
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Beta minus decay typically occurs in isotopes with:
A deficiency of both protons and neutrons
an equal number of protons and neutrons
an excess of protons
an excess of neutrons
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During beta minus decay, what happens to the atomic number and mass number of the nucleus?
atomic number increases by one, mass number remains the same
atomic number decreases by one, mass number remains the same
both atomic number and mass number increase
both atomic number and mass number decrease
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Beta plus decay typically occurs in isotopes with:
an excess of protons
A deficiency of both protons and neutrons
an excess of neutrons
an equal number of protons and neutrons
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What particle is emitted during beta plus decay?
proton
positron
neutron
electron
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During beta plus decay, what happens to the atomic number and mass number of the nucleus?
both atomic number and mass number increase
both atomic number and mass number decrease
atomic number increases by one, mass number remains the same
atomic number decreases by one, mass number remains the same
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What is the term for the force that acts to hold protons and neutrons within the nucleus together?
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What is the term for the force that causes positively charged protons to repel each other within the nucleus?
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Explain the difference between beta minus and beta plus decay in terms of the particles involved and the changes in atomic number and mass number.
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