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jul 27, 1899 - Ernest Rutherford
Description:
separated radiation into three types: alpha, beta, gamma. atom is divisible if an element can be "broken" into two elements. Discovered the proton. Planetory model.
Added to timeline:
Atomic History_Kim
By
KeeWan Kim
3 Oct 2018
0
0
475
Date:
jul 27, 1899
Now
~ 126 years ago
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