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August 1, 2025
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J. J. Thomson's Plum Pudding Model (jan 1, 1896 – jan 1, 1896)

Description:

Discovered atoms have
negative particles
(electrons) using a
cathode ray tube.
Discovered electron’s
charge to mass ratio:

Thomson’s Plum
Pudding Model, 1900
Electrons are dispersed in
a uniform positive charge.

Added to timeline:

11 months ago
1
0
5203

Date:

jan 1, 1896
jan 1, 1896
~ 0 min