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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 Jan 1869 Jahr - Dimitri Mendeleev (1869) constructed a table of rows and columns. He places Elements horizontally according to their atomic mass and vertically according to their properties

Zugefügt zum Band der Zeit:

30 Jul 2021
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Datum:

1 Jan 1869 Jahr
Jetzt
~ 156 years ago