Astatine
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| General Properties | ||||||||
|---|---|---|---|---|---|---|---|---|
| Atomic number | Predicted atomic mass | Half life of longest living isotope | Electron Configuration | First developed | ||||
| 85 | 210amu | Around 8 hours | [Xe] 4f14 5d10 6s2 6p5 | 1940 | ||||
| General Properties | |
|---|---|
| Atomic number | 85 |
| Predicted atomic mass | 210amu |
| Half life of longest living isotope | Around 8 hours |
| Electron Configuration | [Xe] 4f14 5d10 6s2 6p5 |
| First developed | 1940 |
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Description and uses
Astatine is the 85th element of the periodic table. It was discovered in 1940 when a sample of 200Bi was bombarded with neutrons.
210At is the most stable isotope, with a half life of around 8 hours.