Identify the pair of elements in which the ratio of the number of $s$-electrons to $p$-electrons is $2:3$.

  • A
    $P, Mg$
  • B
    $P, Ca$
  • C
    $O, Mg$
  • D
    $O, S$

Explore More

Similar Questions

The electronic configuration of $Cu^{2+}$ ion is

$A$ certain orbital has no angular nodes and two radial nodes. The orbital is

The angular momentum of a $p$-orbital electron is given by:

The correct set of four quantum numbers for the valence electron of rubidium $(Z = 37)$ is:

Which of the following orbitals is not possible (in $f$)?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo