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Johann proposed "Law of Triads"- triads (3) of elements- middle element- average of outside ones (19 h 40 m, 2 jan 1829 ano – 21 h 30 m, 1 jan 1830 ano)

Descrição:

Halogen Triad- Chlorine, Bromine, Iodine
Alkali Metal Triad- Lithium, Sodium, Potassium

Adicionado na linha do tempo:

History of the Periodic Table

BySonya Callendar
26 dez 2017
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0
684

Data:

19 h 40 m, 2 jan 1829 ano
21 h 30 m, 1 jan 1830 ano
~ 12 months

Imagens:

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