Question

Which one is a wrong statement ?

• A. The value of m for $d_z2$ is zero
• B. Total orbital angular momentum of electron in ???
• C.
• 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)

Answer 2

According to Hund's Rule of maximum multiplicity, the correct electronic configuration of $N$ -atom is $\therefore$ Option $(3)$ violates Hund's Rule.