Предмет: Химия, автор: sergijparhomenko258

14. Номер групи вказує на таке: а) кiлькiсть протонів; б) вищу валентність в оксидi; в) кiлькiсть електронів; г) кiлькiсть електронiв на зовнішньому рівні.​

Ответы

Автор ответа: dashamatukhno
0

Відповідь:

в) електронов

Пояснення:

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