Which of the following pairs has elements containing the same number of electrons in the outermost orbit?
- A$N, O$
- B$Na, Cl$
- C$Ca, Cl$
- D$Cl, Br$
Explore More
Similar Questions
Which element from the following possesses half-filled $d$-orbitals either in expected or in observed electronic configuration?
Bond enthalpy of $Ge-Ge$ bond is $260 \ kJ \ mol^{-1}$. The bond enthalpies of $Si-Si$ and $Sn-Sn$ bonds in $kJ \ mol^{-1}$ are respectively
Which of the following elements is considered as a metalloid?
Which group of the periodic table contains only metals?
Easy
View SolutionIn the long form of the periodic table,the $d$-block element which forms an interstitial hydride is
Vedclass 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