At
Astatine
Zosankha 85 · 209.98715 u
Astatine ndi chinthu chosadziwika kwambiri chomwe chimapezeka m'chilengedwe padziko lapansi.
Zochita za Fiziki
| Mafuta | 209.98715 u |
| Kuwala | 7.0 g/cm³ |
| Kutentha | 575.0 K |
| Kutentha | 610.0 K |
| Kuoneka | Kuwala kwa dzuwa |
| State at Room Temp | M'gululi |
Makhalidwe a Chemical
| Electronegativity | 2.2 (Pauling) |
| 1st Ionization Energy | 899.0 kJ/mol |
| Electron Affinity | 270.1 kJ/mol |
| Oxygen | -1, +1, +3, +5, +7 |
Zosankha
| Kusintha kwa ma electron | [Xe] 4f14 5d10 6s2 6p5 |
| Atomic radius | 150.0 pm |
| Covalent Radius | 150.0 pm |
| Kuwala kwa Van der Waals | 202.0 pm |
Kupeza
| Kupezeka ndi | Dale R. Corson, Kenneth Ross MacKenzie, Emilio Segre |
| Kuzindikira chaka | 1940 |
| Malo | Berkeley, California, United States |
| Analimbikitsidwa ndi | Chigiriki 'astatos' chimatanthauza kuti sichikhazikika |
Za ine Astatine
Astatine ndi kwambiri rarity, radioactive, ndi wolemera kwambiri halogen anadziwika. Chinthu chosakwanira 30 magiramu ali m'mapiri a dziko lonse nthawi iliyonse.
Kugwiritsa ntchito & Maphunziro
Kuphatikiza apo, mankhwala osokoneza bongo (kuphatikizapo heroin) ndi ovuta kwambiri.
Fun Facts
Astatine sichingakhalebe chooneka ndi maso opanda nkhope - pali ochepa kuposa 30 gramu m'dziko lonselo panthawi iliyonse.
Isotopes
| Kukula kwa maselo | Kuchuluka | Half-Life | Wolimba |
| 209 | - | 5.41 hours | Si |
| 210 | - | 8.1 hours | Si |
| 211 | - | 7.214 hours | Si |
Kusintha kwa ma electron
[Xe] 4f14 5d10 6s2 6p5