33
/it/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
5634346
532222
2

1 gen 1869 anni - 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

Aggiunto al nastro di tempo:

30 lug 2021
2
0
268

Data:

1 gen 1869 anni
Adesso
~ 156 years ago