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Question: the work function of an element is the energy required...

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The work function of an element is the energy required to remove an electron from the surface of the solid. The work function for indium is 394.6 kJ/mol (that is, it takes 394.6 kJ of energy to remove 1 mole of electrons from 1 mole of In atoms on the surface of In metal). What is the maximum wavelength of light that can remove an electron from an atom in indium metal?

______nm

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