14 h 24 min, 1 janv. 1869 ans - Dmitri Mendeleev publishes his first periodic table he made that was arranged in order of increasing atomic mass, the similarities of the elements appeared at regular intervals in a periodic pattern. There were several empty spaces in his table.
Ajouté au bande de temps:
Date:
14 h 24 min, 1 janv. 1869 ans
Maintenaint
~ Il y a 155 ans
