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Atomic Structure Review Problems 1 c = 3.00 X 108m/s h = 6.63 X 10-34 J-s En = 2.18 X 10-18/n2 1m = 1.00 X 109nm 1. Calculate the frequency of a wave having a wavelength of 720. nm. 2. Determine the wavelength (in nm) of a wave having a frequency of 4.5 X 1015 1/s 3. Calculate the energy of a photon having a wavelength of 550. nm. 4. Calculate the frequency and wavelength (in nm) of a photon having an energy of 3.2 X 10-19 J 5. Calculate the wavelength you would have by estimating your mass and velocity doing the 100 m dash. Note: 1 kg = 2.2 lbs. 6. For the electron transition in the hydrogen atom of n = 6 to n = 3, a) calculate the difference in energy between the two levels b) calculate the frequency of light emitted c) calculate the wavelength of light emitted (express λ in nm). d) predict the portion of the EMR spectrum this light is found in.