Chemistry topic one - history of the atom
- Created by: indiabonacina
- Created on: 17-04-20 16:05
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T1
History of the atom
John Dalton - 1803
ideas :
discovered atoms, which he imagined as tiny spheres that could not be divided.
J.J Thompson - 1897
Ideas:
Discovered electrons
Plum pudding model, ball of positive charge with negative electrons embedded in it
Rutherford - 1909
experiment :
In the experiment, positively charged alpha particles were fired at a thin gold foil. Most alpha particles went straight through the foil. But a few were…
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