Question

Sub atomic particle of atom; Electron identified by ___________.​

Answer 1

Answer:

sir John Joseph Thomson.

Explanation:

Electrons were discovered by Sir John Joseph Thomson in 1897. After many experiments involving cathode rays, J.J. Thomson demonstrated the ratio of mass to electric charge of cathode rays. He confirmed that cathode rays are fundamental particles that are negatively-charged; these cathode rays became known as electrons.

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Answer 2

Answer:

Sub atomic particle of atom, Electron is identified by SIR JOHN JOSEPH THOMSON.