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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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195628
2

6 gen 1869 anni - Dmitri Mendeleev

Descrizione:

Arranged elements into 7 groups with similar properties. He discovered that the properties of elements "were periodic functions of the their atomic weights". This became known as the Periodic Law.

Aggiunto al nastro di tempo:

Data:

6 gen 1869 anni
Adesso
~ 155 years ago