Haley B.

asked • 02/07/18

What is the longest wavelength seen in the visible absorption spectrum of Li+2 at ordinary temperatures?

The Rydberg constant for Li+2 is 2.18 x 10-18 J. What is the longest and shortest wavelengths seen in the visible absorption spectrum of Li+2 at ordinary temperatures? Also, calculate the ionization energy of Li+2.
 
For the wavelength calculation, do I simply use λ=hc/E? Just not sure how I would get the longest and shortest wavelength from there...
 
I'm also not sure which equation to use for ionization energy.

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