Question

What type of isotope undergoes radioactive decay?

A- one that has a nucleus with the same number of protons and neutrons

B- one that has an unstable nucleus

C- one that has the same number of protons and electrons

D- one that has a stable nucleus

Answer 1

i think the answer is a

Step-by-step explanation:

Answer 2

I picked A: one that has a nucleus with the same number of protons and neutrons

Step-by-step explanation:

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