5 juill. 1914 - H.G.J. Moseley
Description:
Using x-ray tubes, determined the charges on the nuclei of most atoms. He wrote"The atomic number of an element is equal to the number of protons in the nucleus". This work was used to reorganize the periodic table based upon atomic number instead of atomic mass.Ajouté au bande de temps:
Date:
5 juill. 1914
Maintenaint
~ Il y a 109 ans
