Question

Which one is a wrong statement ?

• A. The value of m for $d_{z}2$ is zero
• B. Total orbital angular momentum of electron in ‘s’ orbital is equal to zero.
• C. The electronic configuration of N atom is
• D. An orbital is designated by three quantum numbers while an electron in an atom is designated by four quantum numbers.

Answer 1

Answer: (C)

According to Hund's Rule of maximum multiplicity, the correct electronic configuration of $N$ -atom is



$\therefore$ Option $(3)$ violates Hund's Rule.