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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 gen 1913 anni - Moseley invented the current atomic number system
Aggiunto al nastro di tempo:
Chem Atomic timeline
By
Reese Lawrence
1 ott 2018
0
0
297
Data:
20 gen 1913 anni
Adesso
~ 112 years ago
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