The existence of a positively charged nucleus | vedclass

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(B) The existence of a positively charged nucleus was established by Ernest Rutherford through his famous $\alpha$-particle scattering experiment (als

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$\alpha$-ray scattering experiments

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(B) The existence of a positively charged nucleus was established by Ernest Rutherford through his famous $\alpha$-particle scattering experiment (also known as the Geiger-Marsden experiment). In this experiment,he bombarded a thin gold foil with $\alpha$-particles and observed that a small fraction of particles were deflected at large angles,leading to the conclusion that the positive charge and mass of the atom are concentrated in a very small central region called the nucleus.

The existence of a positively charged nucleus was established by:

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