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Question
Explain in brief the experimental proof which led to the discovery of –
Atomic nucleus
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Solution
Discovery of Atomic Nucleus: Lord Rutherford in 1911 directed alpha particles (42He) towards gold foil. The deflection of the alpha particles was observed and concluded that there was a nucleus at the centre of atom which was positively charged dense very small space (solid) called the nucleus.

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RELATED QUESTIONS
Draw the diagrams representing the atomic structures of the following: Nitrogen.
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Which part of atom was discovered by Rutherford?
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Which metal did rutherford select for his `alpha` particle scattering experiment and why?
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The element which does not contain any neutron in its nucleus.
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Rutherford's alpha-particle scattering experiment discovered
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