Which of the following sets of quantum numbers is allowed?

  • A
    $n = 1, l = 1, m = 1, s = 1/2$
  • B
    $n = 2, l = 1, m = 1, s = 1$
  • C
    $n = 3, l = 0, m = -1, s = 1/2$
  • D
    $n = 3, l = 1, m = 1, s = 1/2$

Explore More

Similar Questions

Which of the following arrangements shows the correct order of decreasing paramagnetism?

Difficult
View Solution

For the energy levels in an atom,which one of the following statements is(are) correct?

What is the number of orbitals in the $2p$ and $3p$ subshells? Where are they located?

The number of correct statements from the following:
$A.$ For $1s$ orbital,the probability density is maximum at the nucleus.
$B.$ For $2s$ orbital,the probability density first increases to maximum and then decreases sharply to zero.
$C.$ Boundary surface diagrams of the orbitals enclose a region of $100\%$ probability of finding the electron.
$D.$ $p$ and $d$-orbitals have $1$ and $2$ angular nodes respectively.
$E.$ Probability density of $p$-orbital is zero at the nucleus.

An atom has $35$ nucleons and an atomic number equal to $17$. The number of electrons with $n = 2$ and $m = 0$ in it is:

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