Предмет: Химия, автор: milukovskaja6

хімічні елементи натрію і купруму належать : а)одному періоду, б)одній групі, в)одній підгрупі

Ответы

Автор ответа: lizaboykol7000

1

Ответ:

Б

Объяснение:

Потому что они в одной группе

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