Which one of the following noble gases is not found in the atmosphere?

  • A
    $Rn$
  • B
    $Kr$
  • C
    $Ne$
  • D
    $Ar$

Explore More

Similar Questions

What are the elements at the end of periods $1$ to $7$ called? Which are these elements?

In noble gases,the addition of successive electronic shells leads to a decrease in their ........ .

The percentage of $Ar$ in dry air is approximately .......... $\%$. (in $\%$)

Which of the following compounds is not known?

Which of the following is the correct series of noble gases in the periodic table?

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