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1 июл 1912 г. - Atomic number

Описание:

It was discovered that the atomic number was proportional to the number of protons.

Добавлено на ленту времени:

Atomic History_Kenealy

ByRebecca Kenealy

3 окт 2018

1

0

444

Дата:

1 июл 1912 г.

Сейчас

~ 113 г назад

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