2025-05-28
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4KWith a glowing glass tube, J.J. Thomson discovered the first subatomic particle: the electron. Learn how his experiments changed the idea of the atom forever by proving that atoms are divisible, leading to Thomson's plum pudding and Nagaoka Saturn-like model of the atom.
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0:00 JJ Thomson's Cathode Ray Tube Experiment
1:10 Charge-to-Mass Ratio
1:38 Implications of Findings
2:37 TL;DR Thomson's Findings
3:11 What does this mean for the structure of the atom?
3:28 Atomic Models: Nagaoka's Saturn-Like Atom & Thomson's Plum Pudding Model
Images Used:
https://en.wikipedia.org/wiki/File:J.J_Thomson.jpg