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21. Nuclear Chemistry

Alpha Decay

21. Nuclear Chemistry

Alpha Decay

Multiple Choice
Which of the following symbols represents an alpha particle?
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Multiple Choice
In alpha decay, which particle is emitted from the nucleus of an unstable atom?
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Multiple Choice
When the isotope actinium-227 (227 89 Ac) undergoes alpha decay, what is the resulting nucleus?
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Multiple Choice
When uranium-238 undergoes alpha decay, it emits an alpha particle and forms which new nucleus?
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Multiple Choice
Which nuclide is produced when uranium-238 undergoes alpha decay?
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Multiple Choice
An unstable nucleus releases radiation in the form of a helium particle. What process is occurring?
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Open Question
When a radioactive isotope releases an alpha particle, the atomic number of the atom is
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Open Question
Identify the nuclide produced when neptunium-237 decays by alpha emission: ²³⁷₉₃Np → ⁴₂He + ?
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Open Question
Enter the nuclear equation for the alpha decay of polonium-216 (²¹⁶₈₄Po).
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Open Question
Consider the isotope Th-228. Write the nuclear equation for the alpha decay of the mentioned isotope.
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Open Question
²³⁴₉₂U undergoes alpha decay. What is the atomic number of the resulting element?
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Multiple Choice
Which of the following is the correct nuclear equation for the alpha decay of Th-227?
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