Question

what is valency ??? explain in detail​

Answer 1

Answer:

Valence electrons are the electrons which are present in the outermost orbit of an atom

valency is the amount of electrons that the atoms need to gain or lose in order to attain stable atomic configuration or complete its octet

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Answer 2

HEY MATE...!!

Valency

the valence or valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules.

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