Question

What Is the valency of coper in copper (ii) oxide

Answer 1

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it is +2

Answer 2

Answer:

2

Explanation:

WHAT IS VALENCY ?

ans:- It is the number of outermost electron present in the shell to combine with other elements elrctron to get paired!

copper oxide = CuO

as it kis copper(11)

its valency is "2"

NOTE:-

Valency is never in sign and its free od any postive ir negative signs.

it cannot be writter as «»

+2,-2.

it is always written as,

2...3...1.. etc.

writing any vecy with sign means. we are writing it with the anion cation parts but actually we are not.

Now,

coming to question,

we thereby say that its valency cu(11) is 2 .

ans!