Atomic Structure Question 237
Question: Which electronic configuration for oxygen is correct according to Hund’s rule of multiplicity
Options:
A) $ 1s^{2},2s^{2}2p_x^{2}2p_y^{1}2p_z^{1} $
B) $ 1s^{2},2s^{2}2p_x^{2}2p_y^{2}2p_z^{0} $
C) $ 1s^{2},2s^{2}2p_x^{3}2p_y^{1}2p_z^{0} $
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
Hund-s rule states that pairing of electrons in the orbitals of a subshell (orbitals of equal energy) starts when each of them is singly filled.
