Which enrgy state of doubly ionized lithium `(Li^(++)` has the same energy as that of the gorund state of hydrogen?

Which energy state of doubly ionized lithium Li^(++) has the same energy as that of the ground state of hydrogen?

Which level of the doubly ionized lithium has the same energy as the ground state energy of the hydrogen atom? Compare the orbital radii of the two levels.

Which energy state of triply ionized beryllium (Be^(+3)) has the same orbital radius as that of state of hydrogen atom

Which state of the triply ionized Beryllium (Be^(3+)) has the same orbit radius as that of the ground state of hydrogen atom?