History of the atomic model
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- Democritus & Aristotle
- i believe in empty space between the atoms
- i believe all matter is made of fire, water, air & earth
- i agree with Democritus that atoms cannot be divided created or destroyed
- John Dalton
- i discovered the Cathode ray bent towards a positively charged plate.
- J.J. Thompson
- i discovered the nucleus also contained the neutrally charged neutrons
- Ernest Rutherford & James Chadwick
- my experiment shot a positive particle beam towards a piece of gold foil, and the particle beam bounced back
- Niels Bohr
- i proposed that electrons move in circular orbits
- Erwin Schodinger
- i stated electrons do NOT move in set paths but in waves
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