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.