1. 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

2. What is the electron configuration of Nd?
[Xe]6s24f4[Xe]6s24f3[Xe]6s26f4[Xe]5s24d4None of these

3. In Bohr's atomic theory, when an electron moves from one energy level to another energy level more distant from the nucleus:
energy emitted energy absorbed no change light emmitted none

4. Calculate the wavelength of light emitted when the following transition occurs in the hydrogen atom:
n = 3
n = 1

56 * 10-7456.7 656.7 4.56 * 10-7524

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

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