Question

what do you understand by valancy of electron​

Answer 1

Answer:

A valence electron is a negatively charged particle, located in the outermost shell of an atom, that can be transferred to or shared with another atom. ... Valence electrons, then, are electrons in the outermost shell of the atom that determine an atom's or group's ability to bond with others.

Answer 2

velency means tendency to take or give electrons.