History of the atom

  • 460 BCE

    Democritus

    First person to suggest atoms. Atoms are indivisible and indestructible.
  • John Dalton

    Came up with the idea of the word atom and his theory stated that atoms are invisible
  • J.J. Thomson

    He discovered electrons in atom in 1897
  • ernest ruthford

    he put positive particles and charged them at a sheet of gold foil and he found the nucleus
  • Niels Bohr

  • Erwin Schrodinger

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