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  • What is the heaviest of the naturally occuring Noble gases?
Multiple choice

What is the heaviest of the naturally occuring Noble gases?

  1. Argon

  2. Helium

  3. Xenon

  4. Radon

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Radon is the heaviest naturally occurring noble gas, located at the bottom of the noble gas group in the periodic table.

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