Question

question and answer related to valency plz tell i it earlier its humble request​

Answer 1

The capacity of element to give the element or take element is the valency of element.

h - 1

he - 2

li - 3

be - 4

b - 5

c - 6

n - 7

o - 8

f - 9

n - 10

valencies are 1, 2, 3, 4.