General Information
| Symbol: | Co |
| Atomic Number: | 27 |
| Atomic Weight: (Atomic Mass, Molar Mass) | 58.933195 |
| Group: | 9 (cobalt family) |
| VIIIA (Old IUPAC), VIII (CAS) |
| Period: | 4 |
| Block: | d |
Physical Properties
| Density: | 8.9 g/cm3 |
| Atomic Volume: | 6.7 cm2/mole |
| Atomic Radius: | 1.25 angstroms |
| Covalent Radius: | 126 pm |
| Radioactive: | No |
States
| Melting Point: | 1495.0 °C |
| Boiling Point: | 2870.0 °C |
| Heat Of Fusion: | 16.19 kJ/mole |
| Heat Of Vaporization: | 373.3 kJ/mole |
Energy
| Electronegativity: | 1.9 (Pauling Scale) |
| Electron Affinity: | -64 kJ/mol |
| 1st Ionization Energy: | 761 kJ/mol |
| Specific Heat Capacity: | 0.421 J g−1 K−1 |
| Thermal Conductivity: | 100.0 W·m−1·K−1 |
Electrons & Oxidation
| Oxidation States: | +2,3 |
| Electrons Per Shell: | 2 8 15 2 |
| Electron Configuration: | [Ar] 3d7 4s2 |
| 1s2 2s2 2p6 3s2 3p6 3d7 4s2 |
| 1s2 2s2 2p6 3s2 3p6 3d7 4s2 |
History
| Discovered In: | 1735 |
| Discovered By: | Georg Brandt |
| Discovered At: | Sweden |
| Word Origin: | From the German word "kobald" meaning "goblin" or evil spirit |
Translations
| English | Cobalt |
| Deutsch | Kobalt |
| Lëtzebuergesch | Kobalt |
| Nederlands | Kobalt |
| Afrikaans | Kobalt |
| Frysk | Kobalt |
| Dansk | Cobalt or Kobolt |
| Svenska | Kobolt |
| Norsk | Kobolt |
| Íslenska | Kóbalt |
| Føroysk | Kobolt |
| Latin | Cobaltum |
| Français | Cobalt |
| Español | Cobalto |
| Catalana | Cobalt |
| Occitana | Cobalt |
| Português | Cobalto |
| Galego | Cobalto |
| Italiano | Cobalto |
| Furlan | Cobalt |
| Român | Cobalt |
| Moldavian | Cobalt |
| Armãneashte | Cobaltu |
| Русский | Кобальт |
| Українска | Кобальт |
| by | Кобальт |
| Polska | Kobalt |
| Kaszëbsczi | Kabalt |
| Čech | Kobalt (Dasík †) |
| Slovenský | Kobalt |
| Slovenščina | Kobalt |
| Hrvatska | Kobalt |
| Српски | Кобалт |
| Bosnian | Kobalt |
| Македонски | Кобалт |
| Български | Кобалт |
| Lietuviškai | Kobaltas |
| Lao | Kobalts |
| Sudovian | Kābaltas |
| Cymraeg | Cobalt |
| Gaeilge na hÉireann | Cóbalt |
| Gàidhlig na h | Còbalt |
| Gaelg Vanninagh | Cobalt |
| Cornish | Cobolt |
| Brezhoneg | Kobalt |
| Ελληνική | Κοβαλτιο |
| Shqip | Kobalt |
| Ossetian | Кобальт |
| Euskera | Kobaltoa |
| Georgian | კობალტი |
| Suomi | Koboltti |
| Eesti | Koobalt |
| Magyar | Kobalt |
| Türkçe | Kobalt |
| Kazakh | Кобальт |
| Uzbek | Кобальт |
| Tajik | Kobal't |
| Mongolian | Кобальт |
| 日本語 | コバルエ [kobaruto] |
| 中国话 | 鈷 |
| ไทย | โคบอลต์ |
| Vietnamese | Coban |
| Bahasa Melayu | Kobalt |
| العربيه | كوبلت |
| Il-Malti | Kobalt |
| עברית | קובלט |
| Esperanto | Kobalto |
Links
Misspellings: xobalt, vobalt, fobalt, dobalt, cibalt, ckbalt, clbalt, cpbalt, c0balt, c9balt, covalt, conalt, cohalt, cogalt, cobzlt, cobslt, cobwlt, cobqlt, cobakt, cobapt, cobaot, cobalr, cobalf, cobalg, cobaly, cobal6, cobal5, obalt, cbalt, coalt, coblt, cobat, cobal, ocbalt, cboalt, coablt, coblat, cobatl, ccobalt, coobalt, cobbalt, cobaalt, coballt, cobaltt
