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Structure of Atom 26.03.2019

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Discovery of proton

Protons have been accepted as the particle that contributes to the

positive charge of an atom. The discovery of protons can be attributed

to Rutherford. In 1886 Goldstein discovered existence of positively

charged rays in the discharge tube by using perforated cathode.

Charge 1.6×10−19

(positive)

Mass 1.6×10−27

kg

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