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1 Jan 1910 Jahr - English chemist Frederick Soddy in 1910 observed that “elements of different atomic weights [now called atomic masses] may possess identical (chemical) properties
Zugefügt zum Band der Zeit:
History of isotopes
By
Jack
6 Nov 2019
0
0
235
Datum:
1 Jan 1910 Jahr
Jetzt
~ 115 years ago
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