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QuestionAnswer
Валентність Гідрогену 1
Валентність Оксигену 2
Валентність Алюмінію 3
Валентність Кальцію 2
Валентність Натрію 1
Валентність Сульфуру в Сульфур (ІV) оксиді 4
Валентність Хлору в хлоридній кислоті 1
Валентність Фосфору у фосфіні 3
Валентність Нітрогену у нітратній кислоті 5
Валентність Карбону у вуглекислому газі 4
Валентність Феруму у залізній окалині 2,3
Валентність Оксигену у воді 2
Created by: 220045938460306
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