Passage  :

Noble gas elements except Helium have a completely filled ${\text{ns}}^{\text{2}}{\text{np}}^6$stable electronic configuration (8 electrons) in their outermost shell. This type of electronic configuration is called octet electronic configuration. Helium has completely filled K shell with two electrons and is also stable (Duplet electronic configuration).

Q.  Among the following, the elements with stable electronic configuration are