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Sort these six events from the earliest to the most recent. 1. Democritus proposes the existence of atoms 5th 2. Dalton's atomic theory 2nd 3. J. J. Thomson discovers the electron 1st 4. Rutherford's gold foil experiment 4th 5. Bohr model 3rd 6. Schrödinger's Wave Mechanics model of the atom 6th

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Poltergeist

Answer:

  1. Democritus proposes the existence of atoms
  2. Dalton's atomic theory
  3. J. J. Thomson discovers the electron
  4. Rutherford's gold foil experiment
  5. Bohr model
  6. Schrödinger's Wave Mechanics model of the atom

Explanation:

Democritus proposed the existence of atoms somewhere around 460-370 BC.

Dalton developed his atomic theory in 1803.

J.J Thompson discovered the electron in 1897.

Rutherford conducted his gold foil experiment with Geiger and Marsden between 1908-1913.

Bohr model of the atom was developed in 1913.

Schrödinger's quantum mechanical model o the atom was developed in 1926.

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