Chemistry 40S/PGL Problem Set—Wave-Particle Theory
References:
 Zumdahl & Zumdahl (2000). Chemistry:Fifth Edition. Houghton Mifflin Company;
New York. Chapter 7—Atomic Structure and Periodicity.
 http://www.mhhe.com/physsci/chemistry/chang7/esp/default.htm
(links: Periodic Trends →Atomic Structure)
1. Convert: (2)
2. 360 nm to m
3. 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. (2)
EM Range
Gamma Rays
680 nm
Wavelength (λ)
Frequency (ν)
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. (2)
4. Calculate the energy emitted at 434 nm by a photon of light on the hydrogen
emission spectrum. (2)
5. What is the mass of a particle travelling at 4.0 x 107 m/s with a wavelength of 225
nm? (2)
Chemistry 40 PGL
6. Calculate the energy required to remove the electron from 1 mol of hydrogen
atoms in an n = 2 excited state. (2)
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