Question

what is meant by valency element? what is relationship between the number electron and valency​

Answer 1

Answer the valency is the combining capicity of an element

Answer 2

Valency means combining capicity of an element . Relationship between the number of valence electrons and valency: Valence electrons are the number of electrons present in the outermost shell of an atom. Valency is the combing capicity of an element to form bonds with the other elements.