Which one is a wrong statement?

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Total orbital angular momentum of electron in s -orbital is equal to zero.

An orbital is designated by three quantum numbers while an electron in an atom is designated by four quantum numbers.

The electronic configuration of N atom is

The value of m for dz2 is zero.

answer is C.

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Detailed Solution

orbital angular momentum=ll+1h2π; for s orbitals l=0;n,l,m are enough to designate orbital but n,l,m,s are required to designate electronAccording to quantum mechanical model of atom ,the magnetic quantum number for pz=0;dz2=0According to Hund's rule of maximum multiplicity, the correct configuration of ‘ N’ is

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