Respuesta :

In some atoms, the required energy is not sturdy enough to hold the nucleus together, and the nuclei of these atoms are said to be fractionable. Weak atoms will lose neutrons and protons as they attempt to become stable. In this way, atoms need that required energy.
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Answer:

A stable atom is an atom that has enough binding energy to hold the nucleus together permanently. An unstable atom does not have enough binding energy to hold the nucleus together permanently and is called a radioactive atom.

Explanation:

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