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3 years ago

12

What makes an isotope radioactive? Are all isotopes radioactive?

1 answer:

soldier1979 [14.2K]3 years ago

4 0

Answer:

Radioactive Elements

In elements with more than 83 protons, all of the isotopes are radioactive. ... The force of repulsion among all those protons makes the nuclei unstable. Elements with more than 92 protons have such unstable nuclei that they don't even exist in nature.

Explanation:

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