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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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14 apr 1897 anni - J.J Thomson - Discovered electrons' mass & charge - 1897
Aggiunto al nastro di tempo:
Atomic structure
By
Jeremy Ray
29 ago 2018
0
0
355
Data:
14 apr 1897 anni
Adesso
~ 128 years ago
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