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Atomic Theory Timeline

  • Antoine Lavoisier discovered Carbon.

  • Antoine Lavoisier discovered Oxygen.

    (Born:1743; Died: 1794)
  • Antoine Lavoisier discovered Hydrogen.

  • Dalton published his Law of Partial Pressures

     Dalton published his Law of Partial Pressures
  • J.J Thomson discovered the electron by preforming his famous gold foil experiment.

  • Marie Curie discovered radioactivity in elements.

  • Max Planck presented his theoretical explanation involving quanta.

    Max Planck presented his theoretical explanation involving quanta.
  • Albert Einstein discovered law of gravity.

    1905-1916
  • Robert Millikan measured the charge of an electron.

  • Ernest Rutherford described the atom as having a central positive nucleus and surrounding negative electrons.

    Ernest Rutherford described the atom as having a central positive nucleus and surrounding negative electrons.
  • Niels Bohr creates a model showing levels of electrons orbiting the nucleus.

    Niels Bohr creates a model showing levels of electrons orbiting the nucleus.
  • Louis de Broglie predicted the wave nature of electrons.

  • Erwin Schrodinger involved mathematics to find the chances of finding an electron.

    Erwin Schrodinger involved mathematics to find the chances of finding an electron.
  • Werner Heisenberg uses mostly mathematics to study the behavior of electrons.

  • James Chadwick discovered how the nucleus and neutron functioned.