[The electronic configurat...] Which one is a wrong statement?

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Which one is a wrong statement?

The electronic configuration of N atom is

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

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

The value of m for $d_z2$ is zero

Explanation:

According to Hunds Rule of maximum multiplicity, the correct electronic configuration of N-atom is

∴ Option (1) violates Hunds Rule.

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