2. Which element has an electron configuration of [Ar]4s23d10?
Cd Li Zn Cu
3. Calculate the wavelength of light emitted when the following transition occurs in the hydrogen atom: n = 3 n = 1
56 * 10-7 456.7 656.7 4.56 * 10-7 524
4. Which of the following types of radiation has the shortest wavelength, greatest energy, and highest frequency?
Ultraviolet Infrared Visible Light Red Visible Light Blue None
5. What set of quantum numbers is correct?
n=2, l=1, ml=-1,0,1,2 n=1, l=1, ml=0 n=6, l=5, ml=-6...0...6 n=5, l=4, ml=-5...0...5 None of these
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