In 1909, Rutherford discovered proton in his famous gold foil experiment. He bombarded alpha particles on an ultrathin gold foil. ... Based on Wilhelm Wien's theory, who in 1898 discovered the proton in streams of ionized gas, Rutherford postulated the hydrogen nucleus to be a new particle in 1920, which he called proton.
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In 1909, Rutherford discovered proton in his famous gold foil experiment.
Answer:
In 1909, Rutherford discovered proton in his famous gold foil experiment. He bombarded alpha particles on an ultrathin gold foil. ... Based on Wilhelm Wien's theory, who in 1898 discovered the proton in streams of ionized gas, Rutherford postulated the hydrogen nucleus to be a new particle in 1920, which he called proton.