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sep 4, 1911 - Ernest Rutherford

Description:

Using alpha particles as atomic bullets, probed the atoms in a piece of thin (0.00006 cm) gold foil . He established that the nucleus was: very dense,very small and positively charged. He also assumed that the electrons were located outside the nucleus.

Added to timeline:

6 months ago
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scientific atom timeline

Date:

sep 4, 1911
Now
~ 107 years ago
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