asked 222k views
5 votes
What type of isotope undergoes radioactive decay?

O one that has a nucleus with the same number of protons and neutrons
O one that has an unstable nucleus
one that has the same number of protons and electrons
O one that has a stable nucleus

1 Answer

3 votes

Answer: one that has an unstable nucleus

Step-by-step explanation:

answered
User Victor Di
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