17 h 17 min, 26 janv. 1897 ans - J.J. Thomson
Description:
J.J. Thomson discovered electrons and noticed that and atom can be divided and concluded that atoms are made of positive cores and negatively charged particles within it. His discoveries have helped people today to have a better understanding of the atom and its generic makeup.Ajouté au bande de temps:
Date:
17 h 17 min, 26 janv. 1897 ans
Maintenaint
~ Il y a 128 ans