History of Atoms

By Garrett Faelnar
  • Democritus proposal
    500 BCE

    Democritus proposal

    Democritus proposed the existence of atoms
  • Dalton's developed theory

    Dalton's developed theory

    Dalton developed his theory of atoms and matter.
  • The discovery of Electron

    The discovery of Electron

    JJ Thompson discovered the electron.
  • The development of the planetary model

    The development of the planetary model

    Rutherford developed the planetary model of the atom.
  • Development of a model of the atom

    Development of a model of the atom

    Bohr developed a model of the atom.
  • Proton discovery

    Proton discovery

    The proton was discovered
  • Neutron's discovery

    Neutron's discovery

    The neutron was discovered 13 years after the proton was discovered