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1 jan 1898 ano - Po

Descrição:

Полоний
открыли Мария Склодовская-Кюри и Пьер Кюри

Adicionado na linha do tempo:

Chemical timeline

ByМаргарита

12 nov 2018

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550

Data:

1 jan 1898 ano

Agora

~ 127 years ago

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