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Question

What do you understand by the term ‘electron’?


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Solution

  • Electron is a subatomic particle which revolves around the nucleus of an atom.
  • It has a negative charge. The charge is equal in magnitude to that of a proton.
  • Electron was discovered by J.J.Thomson.
  • Charge=1.6×10-19 C and mass=9.1×10-31 Kg.

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