About neutrons and proton in nucleus

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In atomic nuclei with an atomic number greater than one, the number of neutrons is typically equal to or exceeds the number of protons to enhance nuclear stability. Neutrons contribute to the strong nuclear force, which counteracts the electromagnetic repulsion between positively charged protons. As atomic numbers increase, the short range of the strong force necessitates additional neutrons to maintain a stable nucleus. This balance is crucial for preventing nuclear instability and potential decay. Understanding this relationship is key to grasping nuclear structure in heavier elements.
shivakumar06
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sir i want to know why is number of neutron is more or equal number of proton in nucleus of atoms whose atomic number is more tnan one?
 
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Neutrons help provide more strong force to hold the nucleus together without adding repulsive EM force. I would guess that more neutrons are required than protons because the range of the strong force is very short, less than the radius of the nucleus in higher atomic number elements, but I'm not certain.
 

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