Предмет: Химия, автор: andrejm5095

В периодической системе химических элементов Д. И. Менделеева под порядковым номером 11 находится химический элемент___.

Приложения:

Ответы

Автор ответа: violettamaksimovna0
0

Ответ:

Na- натрий, а масса его 23

Объяснение:

потому

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