Николай Коперник

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25.03.2010 (6:40) Естественные науки >> Химия
Новый элемент в таблице Д.И. Менделеева
Периодическая система элементов Д.И. Менделеева получила новую запись. Международный союз теоретической и прикладной химии на прошлой неделе объявил о своем утверждении названия – Коперниций и символа – Cn для элемента №112.Утверждение следует обширному набору ...>>


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