Q5.Who discovered proton? What are alpha particles?
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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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HII BRO HERE IS YOUR ANS
Explanation:
Observed as H+ by Eugen Goldstein (1886). Identified in other nuclei (and named) by Ernest Rutherford (1917–1920).....,..
a very small piece of matter with a positive electric charge passing through it, that is produced in a nuclear reaction
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