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

Options

A. n=1
B. n=2
C. n=3
D. n=4

Explanation

`E_(a)(Li^(2+))=E_(1)(H)`
`implies-13.6(3^(2))/(n^(2))=-13.6xx1/1`
`impliesn=3`