Question

The electrons present in the valence shell of a noble gas atom can be:

(a) 8 Only

(b) 2 Only

(c) 8 or 2

(d) 8 or 4

Answer 1

Answer :

(c) 8 or 2, Helium is the only noble gas that has 2 electrons in its valence shell. Other noble gases have 8 electrons in their valence shells.