Why must heavy stable nucleus contain more neutrons than protons ?
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Coulomb forces between protons are repulsive and nuclear forces are ordinarily attractive. for nuclei to be stable nuclear forces must dominate the repulsive force. Therefore, number of neutrons must be greater than the number of protons.
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Read assertion and reason carefully to mark the correct option. Assertion: Heavy nuclides tend to have more number of neutrons than protons. Reason: In heavy nuclei, as there is coulomb repulsion between protons, so excess of neutrons are preferable.
Statement I:Heavy nuclides tend to have more number of neutrons than protons. Staements II: In hevay nuclei, as there is coloumbic repulsion between protons, so excess of neutrons are preferable:
