| Answer | Crossword Clue |
|---|---|
| alabamine | an alternative name for the element astatine |
| alabamines | ALABAMINE, an alternative name for the element astatine |
| helvetium | a superseded name for the element astatine |
| helvetiums | HELVETIUM, a superseded name for the element astatine |
| kurchatovium | a former name for rutherfordium, an artificially produced radioactive transuranic element |
| kurchatoviums | KURCHATOVIUM, a former name for rutherfordium, an artificially produced radioactive transuranic element |
