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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 ene 1922 año - Francis Aston
Descripción:
Discovered the existence of isotopes using a mass spectrograph
Añadido al timeline:
Atomic Theory timeline
By
Spencer Knight
14 feb 2019
0
0
374
fecha:
1 ene 1922 año
Ahora mismo
~ 103 years ago
Fotos:
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