ASTATINE
| Date | Clue |
|---|---|
| 2025-05-16 | Radioactive element whose name is derived from the Greek for "unstable" |
| 2019-12-07 | Rarest naturally occurring element in the earth's crust |
| 2010-12-11 | Element between polonium and radon on the periodic table |
| Date | Clue |
|---|---|
| 2025-05-16 | Radioactive element whose name is derived from the Greek for "unstable" |
| 2019-12-07 | Rarest naturally occurring element in the earth's crust |
| 2010-12-11 | Element between polonium and radon on the periodic table |