Multiple choice

Which of the following gases belonging to the inert gases group, is radioactive?

  1. Krypton

  2. Neon

  3. Radon

  4. Xenon

  5. Argon

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

It is a radioactive, colourless, odourless, tasteless noble gas, occurring naturally as an indirect decay product of uranium or thorium.