HEAVY GASEOUS ELEMENT Crossword Clue

We know 2 solutions for: HEAVY GASEOUS ELEMENT
Crossword Puzzle Infos
The term 'heavy gaseous element' refers to two elements found on the periodic table: XENON (Xe) and RADON (Rn). XENON is a noble gas with atomic number 54, while RADON is a radioactive element with atomic number 86. Both elements are colorless, odorless, and tasteless gases at standard temperature and pressure. XENON is used in lighting and imaging technologies, while RADON is used in cancer treatments.
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