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FAQ

1 janv. 1869 - 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

Ajouté au bande de temps:

30 juil. 2021
2
0
326

Date:

1 janv. 1869
Maintenaint
~ Il y a 156 ans