History of the Atom Theory

By rliann
  • 460 BCE

    Democritus

    Democritus
    Was the first one to think of what atoms were made of.

  • Dalton

    Dalton
    First one to describe atoms in a scientific way.

  • J.J. Thompson

    J.J. Thompson
    He explained how the atoms showed positive and negative electrons.

  • Ernest Rutherford

    Ernest Rutherford
    Shot the particles through gold foil for an experiment and some bounced back. They called him "Father of nuclear age".

  • Bohr

    Bohr
    Explains the electrons shell, and how they orbit.

  • Schrodinger

    Schrodinger
    He explained how the orbitals work.

  • Chadwick

    Chadwick
    Finished explaining the neutrons.

  • Modern post

    Modern post
    This kept discovering and contributing to the information we already had. (1930+)