Question

Hello Everyone
define valency
define valency shell
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Answer 1

Answer:

Hi there

valency is the no.of electrons present in the outermost shell of an element

valenxy shell are the orbital path on which electrons continuously revolve

Answer 2

Answer:

Valency is the combining capacity of an element or a group of elements. It is the number of electrons lost shared or gained during formation of chemical bonds.

Valance shell is the outermost shell. It is the shell from where the electrons are transferred during reactions.