Question

Why does the nucleus not disintegrate inspite of repulsion among the protons?

Answer 1

The protons are held together by a strong force of attraction infront of which the small inter proton repulsion does not have a great impact. Further the nucleus is surrounded by electrons according to the size of the atom which also have strong forces of attraction b/w them n nucleus.

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Answer 2

Explanation:

Stability of the nucleus is due to the presence of neutral subatomic particles (neutrons) between the positively charged protons. The neutrons neutralise the repulsion among protons.