When a nucleus in an atom undergoes a radioactive decay, the electronic energy levels of the atom.

When a nucleus in an atom undergoes a radioactive decay, the electronic energy levels of the atom.
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When a nucleus in an atom undergoes a radioactive decay, the electronic energy levels of the ... decay processes D. Change for type of radioactivity.
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When an atom undergoes beta decay, the atomic number of the nucleus: w) is unchanged x) increases by one y) decreases by one z) none of the above

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What type of radioactive decay releases energy from the nucleus without a change of protons neutrons?

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What type of decay involves only the release of high-energy photons and therefore does not change the mass of an atom of a radioactive isotope?

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