The noble gas that does NOT occur in the atmosphere is:

H e

No worries! We‘ve got your back. Try BYJU‘S free classes today!

R a

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

N e

No worries! We‘ve got your back. Try BYJU‘S free classes today!

K r

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D $R a$
In question noble gas asked, which does not exist in the atmosphere and answer in given $R a$ . $R a$ is a alkaline earth metal not noble gas it should be $R n$ . It is printing error in JEE main paper.

Suggest Corrections

Similar questions

The noble gas having only two electons in its valence shell is:
(a) Ar (b) Ne (c) He (d) Kr

100^{\circ}

Join BYJU'S Learning Program