Предмет: Химия, автор: yuliachornay

Визначт езначення ступень окиснення металлического Клемента у сполуци K2HPO4.
A) +5
Б) +1
В) -1
Г) -2 .
Помогите пожалуйста.

yuliachornay: Пожалуйста помогите мне пожалуйста

Ответы

Автор ответа: karikrut
1

В) -1 , так как валентность калия- 1, и это металлический элемент

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