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sep 13, 1911 - Rutherford

Description:

Rutherford created the planetary model of the atom.
He discovered what a nucleus is, and realized it's positively charged. "Rutherford tested Thomson's hypothesis by devising his "gold foil" experiment. Rutherford reasoned that if Thomson's model was correct then the mass of the atom was spread out throughout the atom."

[Rutherford model of the atom, www.iun.edu/~cpanhd/C101webnotes/modern-atomic-theory/rutherford-model.html. Accessed 28 Sept. 2017.]

the model can be seen as this: http://www.iun.edu/~cpanhd/C101webnotes/modern-atomic-theory/images/Rutherford-atom.jpg (taken from the same source)

Added to timeline:

10 months ago
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Atomic Model Timeline (click on the names)
science lab assignment

Date:

sep 13, 1911
Now
~ 107 years ago
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