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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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23 nov 1913 anni - He demonstrated major chemical and physical properties are not determined by atomic weight , but by atomic number. Protons determine the atom's identity
Aggiunto al nastro di tempo:
Periodic Table
By
Carlos
30 nov 2018
0
0
562
Data:
23 nov 1913 anni
Adesso
~ 112 years ago
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