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apr 4, 1911 - Rutherford, Atoms have (+) particles in the center, and are mostly empty space. (+) particles called protons, the center of atoms called the nucleus.
Added to timeline:
History of Atomic Theory
By
Spencer Vess
1 Nov 2018
1
0
355
Date:
apr 4, 1911
Now
~ 114 years ago
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