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17 feb 1904 anni - plum pudding atomic model

Descrizione:

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.

Aggiunto al nastro di tempo:

Data:

17 feb 1904 anni
Adesso
~ 121 years ago

Immagini: