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1 jan 1899 ano - Rn

Descrição:

Радон
открыли Роберт Оуэн и Эрнест Резерфорд

Adicionado na linha do tempo:

Chemical timeline

ByМаргарита

12 nov 2018

0

0

550

Data:

1 jan 1899 ano

Agora

~ 126 years ago

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