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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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19 nov 1803 anni - John Dalton(1803) proposed that elements consisted of atoms that were identical and had the same mass and that compounds were atoms from different elements combined together.
Aggiunto al nastro di tempo:
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By
Kushaj DWIVEDI [08N02M]
28 nov 2018
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Data:
19 nov 1803 anni
Adesso
~ 222 years ago
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