According to which principle is the electroni | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) Hund's rule of maximum multiplicity states that for a given electron configuration,the term with the maximum multiplicity has the lowest energy. I

Vedclass · Accepted Answer

Hund's rule

Vedclass · Answer

(C) Hund's rule of maximum multiplicity states that for a given electron configuration,the term with the maximum multiplicity has the lowest energy. In the case of nitrogen $(Z = 7)$,the electronic configuration is $1s^2 2s^2 2p^3$. According to Hund's rule,electrons fill degenerate orbitals (like $2p_x, 2p_y, 2p_z$) singly first before pairing occurs. Therefore,$1s^2 2s^2 2p_x^1 2p_y^1 2p_z^1$ is the correct ground state configuration,while $1s^2 2s^2 2p_x^2 2p_y^1 2p_z^0$ represents an excited state.

According to which principle is the electronic configuration of nitrogen $1s^2 2s^2 2p_x^1 2p_y^1 2p_z^1$ and not $1s^2 2s^2 2p_x^2 2p_y^1 2p_z^0$?

Similar Questions

How many electrons can be fit into the orbitals that comprise the $3^{rd}$ quantum shell $(n = 3)$?

The atomic weight of an element is double its atomic number. If there are four electrons in the $2p$ orbital,the element is:

The number of unpaired electrons in a ferrous ion $(Fe^{2+})$ is:

What is the number of unpaired electrons present in the ground state of Silicon $(Si)$ and Chromium $(Cr)$, respectively?

The element with the electronic configuration $1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^1$ is

Vedclass Test Series

Exam Paper Generator

Online Exam Module