Why Are Smaller Nuclei Such as Carbon-14 Often Radioactive? (Carbon-12

question 23

Multiple Choice

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

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