Unverified50% confidenceFactExact time
Xenon atoms have an atomic mass of approximately 131, are inert, and are relatively easy to ionize, requiring about 9 megajoules per kilogram to ionize, compared to about 38 megajoules for argon and about 590 megajoules for helium.
1
Sources
50%
Confidence
Long-term
Relevance
10/4/2026
First Seen
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