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7 gen 1864 anni - John Newlands

Descrizione:

John Newlands suggested that if the elements are put in order of atomic mass, every eighth element was similar. He called this his 'Law of Octaves'.

Aggiunto al nastro di tempo:

Periodic Table and Atomic Model Past

7 feb 2020

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Data:

7 gen 1864 anni

Adesso

~ 161 years ago

Immagini:

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