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2 янв 1879 г. - Mendeleev's Prediction #1

Описание:

- Swede Lars Nilson identified scandium, predicted by Mendeleev as eka-boron

Добавлено на ленту времени:

THE PERIODIC TABLEEEE

ByLin beibei
8 фев 2018
0
0
304

Дата:

2 янв 1879 г.
Сейчас
~ 145 г назад
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