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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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11 Jul 1803 Jahr - John Dalton proposed that elements consisted of atoms that were identical and had the same mass and that compounds were atoms from different elements combined together.

Zugefügt zum Band der Zeit:

26 Sep 2017
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Datum:

11 Jul 1803 Jahr
Jetzt
~ 221 years ago