Chemistry atom proton electron animation 17

Emily Orth ^_^

By psharmaims
  • Democritus
    400

    Democritus

    Discovered the atom.
  • John Dalton

    John Dalton

    Dalton's Atomic Theory was discovered while working with electrons.
  • J. J. Tompson-Discovery of the Electron

    J. J. Tompson-Discovery of the Electron

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    The particle that J.J.Thomson discovered in 1897, the electron, is a constituent of all the matter we are surrounded by. All atoms are made of a nucleus and electrons.
  • Rutherford

    Rutherford

    Gold Foil experiment was created.
  • Bohr

    Bohr

    Bohr model was created