17 jan 1914 ano - H.G.J. Moseley-(1914)- used and x ray tube to determine the charges on most nuclei in most atoms, He wrote the atomic number of an atom is the number of protons the have in the nucleus, this work was used to recognize the periodic table is based on the atomic number not the atomic mass.
Adicionado na linha do tempo:
Chem Project
Alyssa George, Riley Gloeckl, Grace Bair, Sonja Hebestreit
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