Medium
Which pair of atoms or ions will have the same electronic configuration?
- A$F^{+}$ and $Ne$
- B$Li^{+}$ and $He^{-}$
- C$Cl^{-}$ and $Ar$
- D$Na$ and $K$
Explore More
Similar Questions
Which orbital is closer to the nucleus: $2p$ or $3p$?
Easy
View SolutionThe maximum number of electrons accommodated in $5f$ orbitals are
Easy
View SolutionIf the magnetic quantum number of a given orbital is represented by $-3$,then what will be the minimum possible value of its principal quantum number $(n)$?
Easy
View SolutionThe extra stability of half-filled subshells is due to:
$(A)$ Symmetrical distribution of electrons
$(B)$ Smaller coulombic repulsion energy
$(C)$ The presence of electrons with the same spin in non-degenerate orbitals
$(D)$ Larger exchange energy
$(E)$ Relatively smaller shielding of electrons by one another
Identify the correct statements.
$(A)$ Symmetrical distribution of electrons
$(B)$ Smaller coulombic repulsion energy
$(C)$ The presence of electrons with the same spin in non-degenerate orbitals
$(D)$ Larger exchange energy
$(E)$ Relatively smaller shielding of electrons by one another
Identify the correct statements.
DifficultJEE MAIN 2025
View SolutionWhich of the following represents an excited state of an atom?
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo