2. What is the electron configuration of Nd?
[Xe]6s24f4 [Xe]6s24f3 [Xe]6s26f4 [Xe]5s24d4 None of these
3. How many electrons in the s orbitals of chlorine?
2 4 6 8 10
4. What is the ionization energy of He+?
5246 kJ/mol 1212 kJ/mol 4064 kJ/mol 1313 kJ/mol 7241 kJ/mol
5. 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
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