Atom Timeline

  • 400

    Democritus

  • thompson

    plum pudding model
  • millikan

    charge of electron
  • rutherford

    neucluous and proton
  • dalton

    4 part atomic therory
  • Bohr

    electrons orbit the nucleous
  • Chadwick

    Neutrons

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Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.