Question

what is valency valency

Answer 1

Valency is the combining capacity of an element.

for example: valency of hydrogen is 1

Answer 2

$\huge{\mathfrak{Ello!}}$•°⭑

The number of electron lost or gain by the outermost shell of sn atom is called valency.

In other words valency is the combining capacity of an atom.

The electrons which takes part in a Chemical bond is called valence electrons.