J.J. Thomson (1 jan 1856 ano – 1 jan 1940 ano)
Descrição:
 Discovered that the atom is composed of electrons, and that an atom can be divided
Developed the plum pudding model before the nucleus was discovered.  
Adicionado na linha do tempo:
Data:
1 jan 1856 ano
1 jan 1940 ano
 ~ 84 years
Imagens:
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