Astatine
The heaviest halogen and radioactive.
- Symbol
- At
- Also known as
- Alabamine
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Atomic number | 85 | Clip | |
Atomic / Molecular Weight | 209.9871 | gmol-1 | Clip |
Melting Point | 573 | K | Clip |
Boiling Point | 623 | K | Clip |
Specific heat capacity | 140 | Jkg-1K-1 | Clip |

See also: Halide, Halogen, Periodic Table.
Subjects: Chemistry