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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Democritus |
World made it atomos theory and created the idea atom. Sea Shale experiment. 400 B.C |
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Aristole |
Believed Atoms were non- existent. Elements are Fire, Earth, Air, and Water. |
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J.J Thomspon |
Discover electrons. Cathode- Ray experiment and he Did Plum Pudding Model. Electrons inside solid ball. 1800 |
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John Dalton |
Atomic Theory- Elements made of atoms. 1900 |
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Niles Bohr |
How energy was released at link electrons at different atomic level. |
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Ernest Rutherford |
Created Protons and he did the Gold Foil. |
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Robert Millikan |
Charge of the electrons. He did the oil drop experiment.
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James Chadwick |
The existence of neutrons it help the atomic bomb. He did the Paraffin wax experiment. |
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Louis de broglie |
Quantum Theory and wave duality Instead of electrons stand in a straight circles the electrons move in waves around the nucleus. |
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Werner Heisenberg |
Uncertainily Principle "We cannot a sign electrons in space at a given time. We cannot assume that the planetary orbits presented by Niels Bond actually exist" |
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Max Planck |
He figured out Quantam packet of 3nergy |
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