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1 gen 1932 anni - James Chadwick

Descrizione:

There are Neutrons which are the mass in the middle of an atom, but has no electric charged particles.

Aggiunto al nastro di tempo:

The Theory of the Atom

27 set 2018

0

0

293

Data:

1 gen 1932 anni

Adesso

~ 93 years ago

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