Which of the following sets of quantum numbers represents the highest energy of an atom?
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The set of quantum numbers n=3,l=2,m=1,s=+
2
1
represents 3d orbital. It represents the highest energy of an atom.
The orbital which has higher value of (n+l) has higher energy. Among the given orbitals, for the 3d orbital, (n+l)=(3+2)=5 is maximum. Hence, it has highest energy.
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