Which of the following is NOT a noble gas?
Ahelium
Bneon
CnitrogenCORRECT
Dargon
JAMB UTMEChemistry
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Why the answer is C, and why the others tempt you.
Nitrogen is a non-metal in Group 15, not a noble gas. Noble gases are in Group 18 (He, Ne, Ar, Kr, Xe, Rn).
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