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1 Jan 1869 Jahr - Dimitri Mendeleev

Beschreibung:

Dimitri Mendeleev knew about 63 elements. He arranged the elements into their atomic weigh. He was able to make the first full version of the periodic table, leaving gaps for the elements he did not yet know of.

Zugefügt zum Band der Zeit:

Datum:

1 Jan 1869 Jahr
Jetzt
~ 155 years ago