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Валентность - оксиды

Соответствие названий оксидов и валентности элементов

QuestionAnswer
Фосфор ( v ) оксид P2O5
Фосфор ( ІІІ ) оксид P2O3
Силиций ( ІV )оксид SiO2
Хлор ( І) оксид Cl2O
Сульфур ( VІ ) оксид SO3
Натрий ( І ) оксид Na2O
Нитроген ( ІІ ) оксид NO
Хлор ( VІІ ) оксид Cl2O7
Created by: Viktori
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