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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
Question
Which subatomic particle whose relative charge is:
  1. Chadwick?
  2. Thomson?
  3. Goldstein?
✓

Answer

  1. Chadwick discovered ‘neutron’.
  2. Thomson discovered ‘electron’.
  3. Goldstein discovered ‘proton’.

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