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1 gen 1869 anni - Development of the Periodic Table Begins

Descrizione:

In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical elements by atomic mass. He predicted the discovery of other elements, and left spaces open in his periodic table for them.

Aggiunto al nastro di tempo:

Chemistry Honors Assignment

ByAYLOR LUSZCZEK
1 ott 2018

Data:

1 gen 1869 anni
Adesso
~ 155 years ago
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