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Простые вещества

Первый элемент периодической Answer
Первый элемент периодической таблицы Д.И. МЕНДЕЛЕЕВА Водород
Наука о веществах и их свойствах Химия
Сколько групп в периодической системе Д.И. Менделеева восемь
Как называются растворимые основания щелочи
какой неметалл придает твердость и белизну зубной эмали фтор
Created by: Солангы
Popular Chemistry sets

 

 



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