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20 magg 1869 anni - Dmitri Mendeleev

Descrizione:

Arranged elements into 7 groups with similar properties. He discovered that the properties of elements "were periodic functions of the their atomic weights". This became known as the Periodic Law.

Aggiunto al nastro di tempo:

scientific atom timeline

ByKyrell Brown
11 dic 2018
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Data:

20 magg 1869 anni
Adesso
~ 156 years ago
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