Предмет: Химия, автор: Hellped

1.Укажи, що спільного у елементів Ванадію, Ніобію, Танталу.

Ответы

Автор ответа: anastasiiafox

Ответ:

Ванадій, Ніобій та Тантал амфотерні елементи та належать до 5-ої групи, підгрупи побічних (підгрупа Б), мають валентність (V)

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