- Not to be confused with Hellium or helium.
Hallium is a theoretical element with the symbol Hll and atomic number 3693. It was named in honor of the late, great Scott Hall a, WWE Hall Of Famer and professional wrestler who passed away on March 14, 2022 (Varies due to time-zones), the same day the element was discovered. Like every element greater than Lead (excluding Anomalies), it is unstable. Its only isotope has a half-life of 1.2 attoseconds.
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