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1. Which element has an electron configuration of [Ar]4s23d10?
Cd Li Zn Cu

2. How many electrons in the s orbitals of chlorine?
2 4 6 8 10

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 maximum number of electrons in an atom with n = 5 and ms= +1/2?
26 25 24 23 22

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