General Information
| Symbol: | Tl |
| Atomic Number: | 81 |
| Atomic Weight: (Atomic Mass, Molar Mass) | 204.3833 |
| Group: | 13 (boron family) |
| IIIB (Old IUPAC), IIIA (CAS) |
| Period: | 6 |
| Block: | p |
Physical Properties
| Density: | 11.9 g/cm3 |
| Atomic Volume: | 17.2 cm2/mole |
| Atomic Radius: | 1.71 angstroms |
| Covalent Radius: | 171 pm |
| Radioactive: | No |
States
| Melting Point: | 303.0 °C |
| Boiling Point: | 1457.0 °C |
| Heat Of Fusion: | 4.27 kJ/mole |
| Heat Of Vaporization: | 162.09 kJ/mole |
Energy
| Electronegativity: | 1.6 (Pauling Scale) |
| Electron Affinity: | -19 kJ/mol |
| 1st Ionization Energy: | 589 kJ/mol |
| Specific Heat Capacity: | 0.129 J g−1 K−1 |
| Thermal Conductivity: | 46.1 W·m−1·K−1 |
Electrons & Oxidation
| Oxidation States: | +1,3 |
| Electrons Per Shell: | 2 8 18 32 18 3 |
| Electron Configuration: | [Xe] 4f14 5d10 6s2 6p1 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p1 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p1 |
History
| Discovered In: | 1861 |
| Discovered By: | Sir William Crookes |
| Discovered At: | England |
| Word Origin: | From the Greek word "thallos" meaning "green twig" or green shoot |
Translations
| English | Thallium |
| Deutsch | Thallium |
| Lëtzebuergesch | Thallium |
| Nederlands | Thallium |
| Afrikaans | Tallium |
| Frysk | Thallium |
| Dansk | Thallium |
| Svenska | Tallium |
| Norsk | Thallium |
| Íslenska | Þallín |
| Føroysk | Thallium |
| Latin | Thallium |
| Français | Thallium |
| Español | Talio |
| Catalana | Tal·li |
| Occitana | Talli |
| Português | Tálio |
| Galego | Talio |
| Italiano | Tallio |
| Furlan | Tali |
| Român | Taliu |
| Moldavian | Taliu |
| Armãneashte | Taliumu |
| Русский | Таллий |
| Українска | Талій |
| by | Талій |
| Polska | Tal |
| Kaszëbsczi | Tôl |
| Čech | Thallium |
| Slovenský | Thallium |
| Slovenščina | Talij |
| Hrvatska | Talij |
| Српски | Талиjум |
| Bosnian | Talij |
| Македонски | Талиум |
| Български | Таллий |
| Lietuviškai | Talis |
| Lao | Tallijs |
| Sudovian | Talijan |
| Cymraeg | Thaliwm |
| Gaeilge na hÉireann | Tailliam |
| Gàidhlig na h | Tailliam |
| Gaelg Vanninagh | Thallium |
| Cornish | Thalyum |
| Brezhoneg | Taliom |
| Ελληνική | Θαλλιο |
| Shqip | Talium |
| Ossetian | Таллий |
| Euskera | Talioa |
| Georgian | თალიუმი |
| Suomi | Tallium |
| Eesti | Tallium |
| Magyar | Tallium |
| Türkçe | Talyum |
| Kazakh | Таллий |
| Uzbek | Таллий |
| Tajik | Talli' |
| Mongolian | Талли |
| 日本語 | タリウム [tariumu] |
| 中国话 | 鉈 |
| ไทย | แทลเลียม |
| Vietnamese | Tali |
| Bahasa Melayu | Talium |
| العربيه | ثاليوم |
| Il-Malti | Talljum |
| עברית | תליום |
| Esperanto | Talio |
Links
Misspellings: rhallium, fhallium, ghallium, yhallium, 6hallium, 5hallium, tgallium, tballium, tnallium, tjallium, tuallium, tyallium, thzllium, thsllium, thwllium, thqllium, thaklium, thaplium, thaolium, thalkium, thalpium, thaloium, thalluum, thalljum, thallkum, thalloum, thall9um, thall8um, thalliym, thallihm, thallijm, thalliim, thalli8m, thalli7m, thalliun, thalliuk, thalliuj, hallium, tallium, thllium, thalium, thalium, thallum, thallim, thalliu, htallium, tahllium, thlalium, thallium, thalilum, thalluim, thallimu, tthallium, thhallium, thaallium, thalllium, thalllium, thalliium, thalliuum, thalliumm
