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20 maio 1869 ano - Dmitri Mendeleev

Descrição:

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.

Adicionado na linha do tempo:

scientific atom timeline

ByKyrell Brown
11 dez 2018
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Data:

20 maio 1869 ano
Agora
~ 156 years ago
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