The configuration $1s^2 2s^2 2p^5 3s^1$ shows

  • A
    Ground state of fluorine atom
  • B
    Excited state of fluorine atom
  • C
    Excited state of neon atom
  • D
    Excited state of ion $O_2^-$

Explore More

Similar Questions

An electron having the quantum numbers $n = 4, l = 3, m = 0, s = -\frac{1}{2}$ would be in the orbital

How does the orbital energy change as the nuclear charge increases from $Ne$ to $Ca$?

The set of quantum numbers for the outermost electron for copper $(Cu)$ in its ground state is:

Which one of the following statements is incorrect?

Which of the following elements has the outer electronic configuration $3s^2 3p^5$?

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