Предмет: Химия, автор: adelgoroh

Встановіть відповідність між формулами сполук і значенням валентності Хлору у кожній з них.

Cl2O7

Cl2O3

Cl2O5

Cl2O

III
VII
V
I

pervijvalera: ааааааа

Ответы

Автор ответа: nikolaygr

4

Відповідь:

Cl2O7 VII

Cl2O3 III

Cl2O5 V

Cl2O I

Пояснення:

adelgoroh: дуже вам дякую!

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