Atomic Structure Problem Set

This problem set was developed by S.E. Van Bramer for Chemistry 145 at Widener University.

  1. Calculate [delta]E, frequency, and wavelength for the following transitions in the hydrogen spectrum.
    1. Lyman [alpha] line n=1 to n=2
    2. Balmer line n=2 to n=4
    3. Ionization of H n=1 to n=[infinity]

  2. Compare the three different types of radioactive particles. What are the differences between these particles?

  3. Based upon the wavelength information given in figure 7.3, calculate the typical energy in J mol-1 for gamma rays, X- rays, and Radio Waves.

  4. I just bought a new truck, calculate the DeBroglie wavelength if it is traveling down the highway at 65 miles per hour (the truck has a weight of 3675 pounds). Calculate the DeBroglie wavelength for an electron (mass 9.10953 x 10-31 kg) traveling at a speed of 100,000 miles per hour. Compare the wavelengths and their relative significance.

  5. Sketch the shape of the s, px, py, and pz orbitals.

Please send comments or suggestions to

Scott Van Bramer
Department of Chemistry
Widener University
Chester, PA 19013

© copyright 1996, S.E. Van Bramer
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Last Updated: Saturday, May 18, 1996