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Energy of ions in different orbitals

by springee
Tags: energy, ions, orbitals
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Feb23-12, 08:19 PM
P: 1
1. The problem statement, all variables and given/known data
Calculate the wavelength of light needed to excite a Li2+ ion from the 4s to the 5d orbital. Report your answer with 3 significant figures.

2. Relevant equations

3. The attempt at a solution
I think that the above equations are supposed to be used to figure out the wavelength. However, I need to figure out the energy (E) first. I don't know how to do this.
Can this be calculated just thinking of the orbitals as excited states??
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