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Why  can't  the number of protons …

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Why  can't  the number of protons be more than number of neutrons in an atom?

  • 1 answers

Shweta Gulati 7 years, 1 month ago

The reason is that protons, being charged particles, repel each other. As you get to heavier elements, with each new proton you add, there is a larger repulsive force. The nuclear force is attractive and stronger than the electrostatic force, but it has a finite range. So you need to add extra neutrons, which do not repel each other, to add extra attractive force. 

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