Sodium atomsna emit light with a wavelengthlambda of 330, Ask an Expert

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Sodium atoms(Na) emit light with a wavelength(λ) of 330 nano meters when an electron moves from a state of 4 p orbital to a state of 3 s orbital now you just need to determine the energy difference between the orbitals(4P,3S) and express your answer in kilojoules per mole?

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