1 janv. 1913 - Neils Bohr
Description:
Bohr proposed that electrons are found in certain energy levels around the nucleus. The farther from the nucleus the electron was, the higher the level. Bohr was a Danish chemist who lived from 1885 to 1962.Ajouté au bande de temps:
Date:
1 janv. 1913
Maintenaint
~ Il y a 112 ans