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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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25 jun 1897 año - J.J Thompson discovered first Electron
Añadido al timeline:
ATOMS
By
alan
18 oct 2018
0
0
289
fecha:
25 jun 1897 año
Ahora mismo
~ 128 years ago
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