Another member of this group is the third most abundant gas in the Earth's atmosphere at approximately (*) 1%.
One element in this group forms stable difluoride, tetrafluoride, and hexafluoride compounds. Another member of this group is the third most abundant gas in the Earth's atmosphere at approximately (*) 1%. Yet another element in this group has a nucleus that forms the alpha particle, and these elements all have full valence shells. For 10 points, name this group of non-reactive elements that includes xenon, argon, and helium.
One element in this group forms stable difluoride, tetrafluoride, and hexafluoride compounds.
noble gases