Question

an atom has 2 electrons in K shell , 8 electrons in L shell which is the outer most shell , mention it's valence electrons and valency​

Answer 1

Answer:

Valancy is zero

Explanation:

No of electrons in different shell is given by

   K -shell=2

  L- shell  =8

according to octet rule, Outermost shell L- shell has 8 electrons , so fulfilled electron.

So, it is a nobel gas having valancy 0