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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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19 fev 1869 ano - Dmitri Mendeleev creates an accurate periodic table.
Adicionado na linha do tempo:
1st Nine Weeks Honor Project Chemistry
By
Ayanna
18 out 2018
0
0
451
Data:
19 fev 1869 ano
Agora
~ 156 years ago
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