Question

a nobel gas which is absent in nature

Answer 1

The six noble gas which do no occur naturally are
Helium (He)
Neon (Ne)
Argon (Ar)
Krypton (Kr)
Xenom (xe)
And the radioactive Radon (Rn).

Answer 2

Answer:

Xenon✔

Explanation:

Xenon has almost vanished from Earth's atmosphere.

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