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6 janv. 1940 - Francio y Astato

Description:

En 1939 y 1940 se descubrieron los elementos número 87 (francio) y número 85 (as-tato)

Ajouté au bande de temps:

Historia de la Química

ByDaniel Martinez Alzate
21 févr. 2019
0
0
760

Date:

6 janv. 1940
Maintenaint
~ Il y a 85 ans
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