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Problem Set 3.1

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Problem Set 3.1 – Research Chemistry
PLEASE work out on a separate paper and upload a picture.
1. What is the frequency (in Hertz) of electromagnetic radiation that has a wavelength of 1380
nm?
2. What is the wavelength (in Meters) of electromagnetic radiation that has a frequency of 5.4 x
1011 kHz?
3. What is the energy (in Joules) of the electromagnetic radiation in question 1?
4. A photon of light has a wavelength of 0.050 cm. Calculate its energy.
Draw the electron configuration diagram for the following atoms and state how many valence electrons
they have:
5.
6.
7.
8.
9.
Beryllium
Potassium
Chromium
Krypton
Uranium
Identify the following electron configuration diagrams:
Nitrogen
Oxygen
Fluorine
Neon
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