The first ionization of Li to Li+1 is 520 kj/mole the third ionization Li+2 to Li+3 requires 1.18 x 10^4 kl/mole, and the complete ionization of Li to Li+3 requires 1.96 x 10^4 kj/mole. Using these data, calculate the wavelength of a laser photon resulting in the second ionization of Li, namely Li+1 >Li+2

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