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Q. An element has magnetic moment $4 \sqrt{3}$ B.M, has set of quantum numbers for two consequitive unpaired higer energy electron as $n=3, \ell=2, m=-1, s=+\frac{1}{2}$ and $n=3, \ell=2, m=-2, s=+\frac{1}{2}$, What are the possible quantum number of next highter energy unpaired electron.

Classification of Elements and Periodicity in Properties

Solution:

See the magnetic moment it contain six unpaired electrons. out off six for two electron, quantum numbers written and others are written in four options.