Everyday Science
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Medium
Question
Of the noble gases, which is the lightest?
A
Nitrogen
B
Hydrogen
C
Helium
✓ Official correct answer
D
Oxygen
Community credibility
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A
Nitrogen
No member explanations yet for this option.
B
Hydrogen
No member explanations yet for this option.
C
Helium
No member explanations yet for this option.
D
Oxygen
No member explanations yet for this option.
Explanation
Helium is the lightest noble gas.
So the correct answer is Helium.
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