Which element is a noble gas?
AChlorine
BSodium
CArgonCORRECT
DOxygen
Post-UTMEChemistry
AI
Toaster Teacher
Why the answer is C, and why the others tempt you.
Argon (Ar) is in Group 18 — noble gases (also He, Ne, Kr, Xe, Rn).
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →
Practice more Chemistry questions
Post-UTME Chemistry has thousands more questions like this — with Worked answers on every one.