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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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17 abr 1919 año - Aston
Descripción:
Discovered the existence of isotopes through the use of a mass spectrograph.
Añadido al timeline:
scientific atom timeline
By
Kyrell Brown
11 dic 2018
0
0
349
fecha:
17 abr 1919 año
Ahora mismo
~ 106 years ago
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