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Scientists discover that pattern is beyond triad (14 h 4 m, 2 ene 1829 año – 17 h 10 m, 2 dic 1858 año)

Descripción:

Scientists: Jean Baptiste Dumas, Leopold Gmelin, Ernst Lenssen, Max von Pettenkofer, and J.P. Cooke

Fluorine added to Halogen group

Añadido al timeline:

History of the Periodic Table

BySonya Callendar

26 dic 2017

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684

fecha:

14 h 4 m, 2 ene 1829 año

17 h 10 m, 2 dic 1858 año

~ 29 years

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