Which is a wrong statement ?

1.	Which is a wrong statement ?
Answer» 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 configuation of N atom is The value of m for `d_(z^(2))` is zero Solution :The configuration (c) is incorrect as it violates Hund's rule

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