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| Q. |
Who discovered electron? |
| A. | E. Goldstien |
| B. | J. J. Thomson |
| C. | Ernest Rutherford |
| D. | J. Chadwick |
| Answer» B. J. J. Thomson | |
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Explanation: J.J. Thomson is credited with the discovery and identification of the electron. Thomson, in 1897, was the first to suggest that one of the fundamental units was more than 1,000 times smaller than an atom, suggesting the sub atomic particle now known as the electron. |
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