Multiple choice general knowledge science & technology

Which of the below is NOT a nobel gass ?

  1. Xenon (Xe)

  2. Oxygen (O)

  3. Neon (Ne)

  4. Krypton (Kr)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Oxygen (O) is NOT a noble gas - it is a highly reactive nonmetal in Group 16. The noble gases are Helium, Neon, Argon, Krypton, Xenon, and Radon in Group 18.

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