Answer: ASTATINE
ASTATINE is a crossword puzzle answer that we have spotted 5 times.
Referring Clues:
- Halogen family element
- Element between polonium and radon on the periodic table
- Radioactive element 85
- Rarest naturally occurring element in the earth's crust
- Radioactive element whose name is derived from the Greek for "unstable"
Last Seen In:
- New York Times - May 16, 2025
- New York Times - December 07, 2019
- New York Times - December 11, 2010
- Washington Post - April 17, 2005
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