Radioactive Decay Energy Quick Check

Question

Polonium has a large, unstable nucleus. Through which process is it most likely to become stable?
gamma decay
beta-plus decay
beta-minus decay
alpha decay(✔️)

Which type of energy does alpha decay generate?
Potential
Sound
Electromagnetic
kinetic(✔️)

Use the equation to answer the question.
14 6C→14 7N+ 0−1e
Which type of radioactive decay does the equation model?
alpha decay
beta-minus decay(✔️)
beta-plus decay
gamma decay

How does the nucleus change in beta-plus decay?
The mass number decreases by one, and the atomic number remains the same.
The mass number remains the same, and the atomic number decreases by one(✔️)
The mass number remains the same, and the atomic number increases by one.
The mass number increases by one, and the atomic number remains the same.

An unstable nucleus undergoes gamma decay. How does the nucleus change?
It becomes less stable by repositioning its particles.
It becomes more stable by emitting energy and particles.
It becomes more stable by repositioning its particles(✔️)
It becomes less stable by emitting energy and particles.

Explanation: I did the test

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Answer 20

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Answer 26

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