1 ene 1864 año - John Newlands
Descripción:
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.
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fecha:
1 ene 1864 año
Ahora mismo
~ 160 years ago