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18 November, 20:05

Which particle of an atom has the least mass?

proton, nucleus, neutron, electron?

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Answers (2)
  1. 18 November, 21:12
    0
    It is the electron because it doesn't have a positive mass. It also isn't in the nucleus. So it is electrons that have the least mass.
  2. 18 November, 21:25
    0
    The electron has the least mass.
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