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In an atom consist of sub-atomic particl...

In an atom consist of sub-atomic particles like protons, neutrons and electrons how are they arranged in the atom?

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The arrangement of sub-atomic particles like protons, neutrons and electrons has been explained by many scientists like Rutherford, Neils Bohr etc. According to them, atom consists a central mass called nucleus. Nucleus consists protons and neutrons. Electrons revolve around the nucleus in fixed shells.
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