Question

The valency of argon is 0

Answer 1

HI
VALENCY OF ARGON IS 0
because it is noble gas
and all noble gases have octet configuration

As these have maximum number of electrons in their valence shells, they do not have any tendency to combine with other elements. Hence, they have a valency equal to zero.

hope it helps

Answer 2

$hi..$
$yes.$
$valency \: of \: argon \: is \: 0$

The reason is argon has atomic number 18.
So , its electronic configuration is 2,8,8.
Thus , its octet is completed.

$hope \: \: this \: \: helps.$