(Solved): b. What frequency of light would be required to excite an electron to the 5th energy level for a L ...

b. What frequency of light would be required to excite an electron to the 5th energy level for a Li2+ ion initially in the ground state? 1.5 mark (Give your answer in scientific notation to 3 significant figures. For example, if your answer was -2.31 x 10- you should enter -2.31e-6) Hz