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24 lugl 1974 anni - James Chadwick born in Bollington, UK August 15, 1892

Descrizione:

Discovered that neutrons aren't positive or negative and have a similar weight as a protons.

Aggiunto al nastro di tempo:

Chem Key timeline

ByLeilaAnn
24 set 2017

Data:

24 lugl 1974 anni
Adesso
~ 49 years ago

Immagini:

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