Question

(◍•ᴗ•◍) hey guys can anyone tell me
why is here ZnO while valency of zinc is 2 and valency of oxygen is 2
then why is valency not exposed in it

dont Copy from internet or websites
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Answer 1

Answer:

this is not valency this is atom of an element, don't confuse

hope u understand matter

Answer 2

Explanation:

Here ZnO is written because the valency of both Zn and O is 2.

And we have to simply the valency if it can be hence 2 and 2 cancel each other.

It does not indicate that exchange of ions is not there, without it new compound cannot be formed.

Hope it helps !