"Atomic" Timeline by Aniruddh Kommareddy 125 year intrevals

By akommareddy112
  • 685 BCE

    685 AD

  • Democritus
    440 BCE

    Democritus

    Atoms are uncuttable.
  • 315 BCE

    315 BCE

  • 190 BCE

    190 BCE

  • 65 BCE

    65 BCE

  • 60

    60 AD

  • 185

    185 AD

  • 310

    310 AD

  • 435

    435 AD

  • 560

    560 AD

  • Jan 1, 810

    810 AD

  • Jan 1, 935

    935 AD

  • Jan 1, 1060

    1060 AD

  • Jan 1, 1185

    1185 AD

  • Jan 1, 1310

    1310 AD

  • Jan 1, 1435

    1435 AD

  • Jan 1, 1560

    1560 AD

  • 1685 AD

  • John Dalton

    John Dalton

    -Atoms of different elements are different
    -He conducted experiments in combining elements
    -Atoms of the same element are exactly alike
    -All substances are made of atoms
    -He wanted to know why elements combine in specific proportions

  • 1810 AD

  • JJ Thompson

    JJ Thompson

    -There are small, negatively charged particles inside an atom
    -He conducted the cathode-ray tube experiment
    -His theory of the atomic structure led to the plum-pudding model
  • Rutherford

    Rutherford

    -Most of the mass of an atom's mass is in the nucleus
    -There are small, negatively charged particles inside an atom
    -Atoms contain mostly empty space
    -His model had electrons surrounding the nucleus at a distance
    -He conducted the gold-foil experiment
  • Bohr

    Bohr

    -Electrons can jump from a path in one level to a path in another level
    -Electrons travel in certain paths, or energy levels
  • Schrodinger and Heisenberg

    Schrodinger and Heisenberg

    -Electron paths cannot be predicted
    -Electrons are found in electron clouds not paths

  • 1935 AD

  • 2060 AD