Which element is a noble gas?
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Explanation:
helium (He),
helium (He), neon (Ne),
helium (He), neon (Ne), argon (Ar),
helium (He), neon (Ne), argon (Ar), krypton (Kr),
helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe),
helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and
helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).
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Answer:
Group 18 elements have noble gas
Explanation:
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