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the atomic spectrum of lithium has a strong red line at 670.8 nm. what is the energy of each photon of this wave length? What is the energy of 1 mole of these photons??
-do you use the e=h x v ??
9 years ago

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Scott
yes, but they give you the wavelength

e = h c / λ

make sure your units are consistent
9 years ago

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