Question

What do you mean by the term valency ?

Answer 1

the no of atom present in last shall

Answer 2

Hey......!!☺

Here's ur ans. ⬇

↪ Valency is the combining capacity of an element .

↪It's just a no.and doesn't have positive or negative sign.

For eg. --- Valency of Oxygen is 2



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✌Hope it helps