For which of the following species, the expression for the energy of electron in n^(th) orbit [E_(n) = -(13.6)/(n^(2)) xx Z^(2) e "V atom"^(-1)] has the validity ?

For which of the following species, the expression for the energy of e

1.	For which of the following species, the expression for the energy of electron in n^(th) orbit [E_(n) = -(13.6)/(n^(2)) xx Z^(2) e "V atom"^(-1)] has the validity ?
Answer» Tritium `LI^(2+)` Deuterium `He^(2+)` Answer :A::B::C