Question

why the mass of an atom is concentrated inside the nucleus of an atom

Answer 1

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The mass of an atom is simply the sum of number of neutrons and protons of an atom.
Now since the neutrons and protons of an atom are present in its nucleus that's why we say that the mass of atom is concentrated in its nucleus.

Answer 2

Answer:

Why the mass of an atom is concentrated inside the nucleus of an atom.

Explanation:

• why the mass of an atom is concentrated inside the nucleus of an atom. It is due to that- protons and neutrons are present inside the nucleus. And because of that the mass of an atom is concentrated inside the nucleus of an atom.
• The mass of the atom is due to the presence of protons and neutrons because electrons have negligible atomic mass.
• The part of atom where the whole mass of atom is concentrated is known as nucleus.
• Electrons, protons and neutrons are the subatomic particles which is build the atom.
• It consists of central nucleus which contain neutron and proton.
• Electron revolve around the nucleus.

Hence, the mass of an atom is concentrated inside the nucleus of an atom.

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