General Information
| Symbol: | At |
| Atomic Number: | 85 |
| Atomic Weight: (Atomic Mass, Molar Mass) | (210) |
| Group: | 17 (fluorine family) |
| VIIB (Old IUPAC), VIIA (CAS) |
| Period: | 6 |
| Block: | p |
Physical Properties
| Density: | g/cm3 |
| Atomic Volume: | cm2/mole |
| Atomic Radius: | 1.45 angstroms |
| Covalent Radius: | 142 pm |
| Radioactive: | Yes |
States
| Melting Point: | 302.0 °C |
| Boiling Point: | 337.0 °C |
| Heat Of Fusion: | 12.0 kJ/mole |
| Heat Of Vaporization: | 30.0 kJ/mole |
Energy
| Electronegativity: | 2.2 (Pauling Scale) |
| Electron Affinity: | -270 kJ/mol |
| 1st Ionization Energy: | 920 kJ/mol |
| Specific Heat Capacity: | J g−1 K−1 |
| Thermal Conductivity: | 1.7 W·m−1·K−1 |
Electrons & Oxidation
| Oxidation States: | |
| Electrons Per Shell: | 2 8 18 32 18 7 |
| Electron Configuration: | [Xe] 4f14 5d10 6s2 6p5 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p5 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p5 |
History
| Discovered In: | 1940 |
| Discovered By: | Dale Corson, MacKenzie, Segre |
| Discovered At: | California, USA |
| Word Origin: | From the Greek word "astatos" meaning "unstable" |
Translations
| English | Astatine |
| Deutsch | Astat |
| Lëtzebuergesch | Astat |
| Nederlands | Astaat |
| Afrikaans | Astaat |
| Frysk | Astaat |
| Dansk | Astat |
| Svenska | Astat |
| Norsk | Astat |
| Íslenska | Astat |
| Føroysk | Astatan |
| Latin | Astatium |
| Français | Astate |
| Español | Astato |
| Catalana | Àstat |
| Occitana | Astat |
| Português | Astato |
| Galego | Astato |
| Italiano | Astato |
| Furlan | Astat |
| Român | Astatin (mo: Astatiniu) |
| Moldavian | Astatin (mo: Astatiniu) |
| Armãneashte | Astatu |
| Русский | Астат(ин) |
| Українска | Астат |
| by | Астат |
| Polska | Astat |
| Kaszëbsczi | Astat |
| Čech | Astat |
| Slovenský | Astat |
| Slovenščina | Astat |
| Hrvatska | Astat |
| Српски | Астат |
| Bosnian | Astat |
| Македонски | Астат |
| Български | Астатин |
| Lietuviškai | Astatinas |
| Lao | Astats |
| Sudovian | Astatinas |
| Cymraeg | Astatin |
| Gaeilge na hÉireann | Astaitín |
| Gàidhlig na h | Astaitain |
| Gaelg Vanninagh | Astaçheen |
| Cornish | Astatyn |
| Brezhoneg | Astat |
| Ελληνική | Αστατο |
| Shqip | Astat |
| Ossetian | Астат(ин) |
| Euskera | Astatoa |
| Georgian | ასტატი |
| Suomi | Astatiini |
| Eesti | Astaat |
| Magyar | Asztácium |
| Türkçe | Asatatin |
| Kazakh | Астатин |
| Uzbek | Астат |
| Tajik | Astat |
| Mongolian | Астат |
| 日本語 | アスタチン [asutachin] |
| 中国话 | 砹 |
| ไทย | แอสทาทีน |
| Vietnamese | Astatin |
| Bahasa Melayu | Astatin |
| العربيه | استاتين |
| Il-Malti | Astatin |
| עברית | אסטטין |
| Esperanto | Astateno |
Links
Misspellings: zstatine, sstatine, wstatine, qstatine, aatatine, aztatine, axtatine, adtatine, aetatine, awtatine, asratine, asfatine, asgatine, asyatine, as6atine, as5atine, astztine, aststine, astwtine, astqtine, astarine, astafine, astagine, astayine, asta6ine, asta5ine, astatune, astatjne, astatkne, astatone, astat9ne, astat8ne, astatibe, astatime, astatije, astatihe, astatinw, astatins, astatind, astatinr, astatin4, astatin3, statine, atatine, asatine, asttine, astaine, astatne, astatie, astatin, satatine, atsatine, asattine, asttaine, astaitne, astatnie, astatien, aastatine, asstatine, asttatine, astaatine, astattine, astatiine, astatinne, astatinee