An element having large number of ______________ is most easily subjected to nuclear fission?
Correct answer: D. Nucleons
- A. Protons
- B. Electrons
- C. Neutrons
- D. Nucleons
Explanation
Nuclei with many nucleons, especially heavy nuclei such as uranium-235, are more susceptible to fission because their large size makes the nuclear binding less effective in holding the nucleus together. Protons alone are not the deciding measure, since the neutron-to-proton balance is also important.
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