Whats the general name for elements having 2 or 8 electrons in the valence shell of their atoms? ?..'.....
Elements having two valence electron belongs to the second group i.e. alkaline earth metals whereas those having eight valence electron belong to group 8 i.e. inert elemnt series.
some examples are:-
Alkaline earth metals :- calcium , barium
Inert elements :- neon, argon
some examples are:-
Alkaline earth metals :- calcium , barium
Inert elements :- neon, argon