1 janv. 1887 - Henry Moseley
Description:
Moseley discovered the atoms of each element contained a unique positive charge in their nuclei. The paved the way for the atomic number since the amount of protons in an atom identifies it as a atom of a certain element.Ajouté au bande de temps:
Date:
1 janv. 1887
Maintenaint
~ Il y a 138 ans