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1 jan 1857 ano - Carbon is Tetravalent

Descrição:

Friedrich August Kekulé von Stradonitz proposes that carbon is tetravalent, or forms exactly four chemical bonds.

Adicionado na linha do tempo:

FINAL - Chemistry Timeline

ByGrace Lackey
11 jan 2018
0
0
407

Data:

1 jan 1857 ano
Agora
~ 167 years ago
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