Donate

A. van den Broek proposed that the weight of atom was approximately proportional to charge of atom (Later named Atomic Number) (0 St. 13 Min, 1 Jan 1911 Jahr – 6 St. 3 Min, 31 Dez 1911 Jahr)

Atomic number later used to label the elements in the Periodic Table

26 Dez 2017

710

0 St. 13 Min, 1 Jan 1911 Jahr

6 St. 3 Min, 31 Dez 1911 Jahr

~ 12 months

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL