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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1869 ano - A total of 63 elements had been discovered. Scientists, started to notice patterns in the element's properties.
Adicionado na linha do tempo:
Periodic Table Timeline
By
Jessica Maeda
16 dez 2017
0
0
594
Data:
1 jan 1869 ano
Agora
~ 156 years ago
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