Question

Why are smaller nuclei such as carbon-14 often radioactive? (carbon-12 is the most common and most stable form of carbon.)
A) The attractive force of the nucleons has a limited range.
B) The isolated neutron is not stable and will undergo spontaneous transformation into a proton and an electron.
C) Hmmm... mysterious are the ways of the force.
D) both A and B
E) none of the above

Answer

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