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21 Sept 1908 Jahr - Bohr Planetary Introduced by Niels Bohr and Ernest Rutherford in 1913, depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus

Zugefügt zum Band der Zeit:

19 Okt 2018

Datum:

21 Sept 1908 Jahr
Jetzt
~ 115 years ago

Abbildungen: