J. J. Thompson's Atomic Theory: Timeline

By rileycoy

  • Date of Birth

  • Period: to

    Early Life

    no important information

  • Thompson Begins to Study Cathode Rays

    This lead him to:
    - devise better equipment
    - calculate the ratio of electric charge to mass regardless of type of gas
    - discover all matter is mad up of particles smaller than an atom
    - plum pudding model is developed
  • Period: to

    Thompson's Accomplishments Prior to Discovery of Electrons

    • devised better equipment
    • calculated the ratio of electric charge to mass regardless of type of gas
    • discovered all matter is mad up of particles smaller than an atom
    • plum pudding model is developed

  • Thompson Discovers Electron

  • Period: to

    After the Discovery of Electrons

    • began studying positively charged ions / positive rays

  • Wins Nobel Prize

  • Period: to

    Thompson's Use of Techniques to Measure Mass Ratio

    • channeled a stream of ionized neon through a magnetic and electronic field
    • measured the charge to mass ratio

  • Thompson Slightly Revises Ratio of Charge to Mass

  • Period: to

    Thompson Does Nothing Significant in this Time Period

  • Date of Death