Explain the discovery of protons briefly.
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✓The word proton is Greek for "first", and this name was given to the hydrogen nucleus by Ernest Rutherford in 1920.
✓In previous years, Rutherford had discovered that the hydrogen nucleus (known to be the lightest nucleus) could be extracted from the nuclei of nitrogen by atomic collisions.
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Explaination:-
proton :- discovered by E.goldstien from Anode ray/canal rays
properties of anode Rays
(1) they are made up of charged particles ( positive charge)
(2) they are deflected in magnetic field
(3) they produced fluorescence
(4) they have kinetic energy
(5) they do not produce X-rays
(6) they depend upon nature of gas taken
(7) charge/mass , ratio of anode Rays depends upon nature of gas
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