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1 Jan 1922 Jahr - Francis Aston
Beschreibung:
Discovered the existence of isotopes using a mass spectrograph
Zugefügt zum Band der Zeit:
Atomic Theory timeline
By
Spencer Knight
14 Feb 2019
0
0
374
Datum:
1 Jan 1922 Jahr
Jetzt
~ 103 years ago
Abbildungen:
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