17 févr. 1904 - plum pudding atomic model
Description:
a model of atomic structure proposed by J.J. ... Thomson had discovered that atoms are composite objects, made of pieces with positive and negative charge, and that the negatively charged electrons within the atom were very small compared to the entire atom.Ajouté au bande de temps:
Date:
17 févr. 1904
Maintenaint
~ Il y a 120 ans
