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21 июл 1941 г. - Glen Seaborg (1941)

Описание:

synthesized 6 transuranium elements and suggested a change in the periodic table

Добавлено на ленту времени:

Chem Project

ByAlyssa George

27 сен 2017

Дата:

21 июл 1941 г.

Сейчас

~ 82 г назад

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