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Atoms are now said to be a cloud of electrons surrounded by a nucleus. (1 gen 2015 anni – 31 magg 2018 anni)
Aggiunto al nastro di tempo:
4 nov 2018
0
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215
Theories of Matter Timeline
Data:
1 gen 2015 anni
31 magg 2018 anni
~ 3 years and 4 months