Astatine
| Date Released: |
|
|
Nov. 05, 1999 |
astatine n. radioactive element, the heaviest of the halogens.[Greek astatos unstable] |
Astatine | Date Released: |
|
|
Nov. 05, 1999 |
astatine n. radioactive element, the heaviest of the halogens.[Greek astatos unstable] |