Question

All the mass of an atom is concentraded in the nucles, why?

Answer 1

HERE IS YOUR ANSWER......

Electrons are very lighter than protons and neutrons. Therefore, the atomic mass is the sum of protons and neutrons. Protons and neutrons are present in the nucleus. That's why all the mass of an atom is concentrated in the nucleus.

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Answer 2

Answer:

most of mass in an atom is in its nucleus as electron has very less mass and most of mass is of neutron and proton

Explanation:

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