Chemistry 40S Atomic Structure Problem Set
1. Show all of your calculations and convert: (2)
a. 360 nm to m
b. 120 MHz to Hz
2. Fill in the missing information by matching the area of the electromagnetic (EM)
spectrum with the corresponding wavelength and frequency values. Refer to
http://www.wildwildweather.com/forecastblog/wp-content/uploads/2009/06/electromagnetic_spectrum.png
for the
EM Range. (2)
EM Range
Gamma Rays
Wavelength (λ)
Frequency ()
680 nm
2.5 x 1016 Hz
1.0 x 1022 Hz
3. Calculate the frequency of green light with a wavelength of 5.00 x 102 nm. Show all of
your calculations, including units. (2)
4. Calculate the energy emitted at 434 nm by a photon of light on the hydrogen emission
spectrum. Show all of your calculations, including units. (2)
5. What is the mass in kg of a particle travelling at 4.0 x 107 m/s with a wavelength of 225
nm? Show all of your calculations, including units. (2)
6. a. Which quantum number describes the orientation of the p orbitals? (1)
b. What is/are its numerical value(s)? (1)
 http://mrdeakin.pbwiki.com  adeakin@pembinatrails.ca
 (204) 888-5898  Shaftesbury High School, 2240 Grant Ave, Wpg, MB, R3P 0P7
Chemistry 40S Atomic Structure Problem Set
7. a. Sketch and label the shapes of each of the 2p orbitals in the space below. (2)
b. Which quantum number represents these shapes? (1)
8. Sketch the complete orbital energy diagram for an atom of aluminum. (1)
9. Write the complete electron configuration of zirconium, Zr. (2)
10. Write the abbreviated electron configuration of krypton. (1)
11. What set of 4 quantum numbers describe the last valence electron to be placed into the
highest energy orbital of a copper atom according to Hund’s Rule? (1)
/20
 http://mrdeakin.pbwiki.com  adeakin@pembinatrails.ca
 (204) 888-5898  Shaftesbury High School, 2240 Grant Ave, Wpg, MB, R3P 0P7