Предмет: Химия, автор: book1975

ПОМОГИТЕ ПОЖАЛУЙСТА О!!! ОЧЕНЬ НАДО!!!
Визнач валентність атомів елементів : а) у сполуках шз Хлором,знаючи,що він одновалентний: CuCl₂, KCl, FeCl₃ ,CCl₄ ,ZnCl₄ ,PCl₅ : б) у сполуках із Сульфуром, знаючи , що він двовалентний: MgS, Na₂S, CuS, Cu₂S, Al₂S₃, ZnS

Ответы

Автор ответа: daryamironchak

Cu(2)Cl2
K(1)Cl
Fe(3)Cl3
C(4)Cl4
Zn(4)Cl4
P(5)Cl5

Mg(2)S
Na(1)2S
Cu(2)S
Cu(1)2S
Al(3)2S3
Zn(2)S

В дужках я позначила валентність елементу:)

book1975: спасибо

daryamironchak: будьласка

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