Question

what is the valency of copper?

Answer 1

hai friend,

here is your answer,

Copper has variable valency of
✪ 1
✪ 2

#Cuprous ( +1 )

#Cupric ( +2)

hope helped!!

Answer 2

copper has two isotope Cuperous and Cupric

Cuperous (+1 valency) and Cupric (+2 valency).