2. What is the electron configuration of Nd?
[Xe]6s24f4 [Xe]6s24f3 [Xe]6s26f4 [Xe]5s24d4 None of these
3. 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
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 is the ionization energy of He+?
5246 kJ/mol 1212 kJ/mol 4064 kJ/mol 1313 kJ/mol 7241 kJ/mol
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