Which of the following was NOT proposed by Ru | vedclass

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(C) Rutherford's atomic model,based on his alpha-particle scattering experiment,proposed that the positive charge and most of the mass are concentrate

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Protons and neutrons are present in the nucleus.

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(C) Rutherford's atomic model,based on his alpha-particle scattering experiment,proposed that the positive charge and most of the mass are concentrated in a small central region called the nucleus. He suggested that electrons revolve around the nucleus in circular paths and are held by electrostatic forces. However,Rutherford did not mention the presence of neutrons in the nucleus,as the neutron was discovered by James Chadwick in $1932$,long after Rutherford's model was proposed in $1911$.

Which of the following was $NOT$ proposed by Rutherford in his atomic model?

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