CHEMISTRY 1 L2 CHAPTER 5
MATH/ELECTRON CONFIGURATIONS REVIEW
Useful Information:
nano = 10-9
micro = 10-6
milli = 10-3
Planck’s constant, h  6.63  10 34 J  s
centi = 10-2
kilo = 103
E = hν
c = λν
mega = 106
Speed of light, c  3.0  108 m/s
1 Hz = 1s-1
Solve the following problems:
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2.
3.
4.
5.
6.
What is the frequency of ultraviolet light with a wavelength of 2.94 x 10-7 nm?
What is the wavelength of gamma ray electromagnetic radiation with a frequency of 3.77 x 1010Hz?
What is the frequency of a radar photon with energy 6.55 x 10-25 J?
What is the energy of a microwave photon that has a frequency of 1.10 x 1010Hz?
What is the approximate energy of a photon having a frequency of 4.0 x 106 Hz?
What is the approximate frequency of a photon having an energy of 4 x 10-28J?
Use the periodic table to determine the following:
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2.
3.
4.
5.
6.
What is the standard electron configuration of Silicon?
What is the standard electron configuration of Magnesium?
What is the standard electron configuration of Copper?
What is the standard electron configuration of Rubidium?
What is the noble gas configuration of Germanium?
What is the noble gas configuration of Chlorine?
Write the standard and noble gas electron configurations for the following:
1.
2.
3.
4.
5.
Beryllium
Argon
Carbon
Arsenic
Chromium