Предмет: Химия, автор: NestorMix

4. Укажіть валентність Оксигену в оксидах:
а) І
б) II
в) VI
г) IV​

Ответы

Автор ответа: Lizzie2018
1
  • Валентность кислорода в оксидах всегда равна двум.

Ответ : б) II.

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