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jan 1, 1904 - J.J Thompson introduced the Plum Pudding Model. 1904

Description:

It shows the atom is positively charged with electrons scattered throughout, similar to a plum pudding with plum parts scattered inside.

Added to timeline:

The atom

Bymichael`
2 Feb 2018

Date:

jan 1, 1904
Now
~ 120 years ago
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