ADDITIONAL PROBLEM Question $28\mathrm{.}1$a Doubly$-$ionized lithium, Li$2+,$ has a single electron and an atomic number of three. $($a$)$ Determine the orbital radius of the Li$2+$ electron in the ground state. $0\mathrm{.}0175$ nm $($b$)$ If the electron transitions from n $=6$ to n $=5,$ determine the energy of the emitted photon. X eV $($c$)$ If the electron transitions from n $=6$ to n $=5,$ determine the wavelength of the emitted photon. x nm Need Help? Read It