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How do electrons get a charge?

  1. May 22, 2015 #1
    My question is why only protons and electrons have a charge?Why not neutron?
  2. jcsd
  3. May 22, 2015 #2


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    Science Advisor
    Gold Member

    For electrons its simply an observed property they have - we don't know the answer why as yet.

    The answer for protons and neutrons is they are composed of quarks:

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