1 gen 1864 anni - John Newlands
Descrizione:
An English scientist called John Newlands put forward his Law of Octaves in 1864. In which, he arranged all the elements known at the time into a table in order of relative atomic mass. When he did this, he found that each element was similar to the element eight places further on.Aggiunto al nastro di tempo:
Data:
1 gen 1864 anni
Adesso
~ 160 years ago
