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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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23 abr 1975 año - JJ Thompson 1997
Descripción:
- studied cathode rays
- all atoms are made up of parts
- isotopes existence
-discovered electrons
Añadido al timeline:
Scientist timeline
By
Annabelle Tate
7 nov 2017
0
0
496
fecha:
23 abr 1975 año
Ahora mismo
~ 50 years ago
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