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

2. What is the ionization energy of He+?
5246 kJ/mol 1212 kJ/mol 4064 kJ/mol 1313 kJ/mol 7241 kJ/mol

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

5. How many electrons can be contained in all of the orbitals with n = 3?
2 10 32 18 6

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