Co
Cobalt bụ a hard, lustrous transition metal mara maka ya blue compounds na-eji na batrị.
Nkarachọ
| Atomic mass | 58.933 u |
| Mgbatị | 8.9 g/cm³ |
| Mmalite | 1768.0 K |
| Nhazi | 3200.0 K |
| Nhazi | N'ogbe, n'ogbe, n'ogbe-acha odo odo metallic |
| Oge n'ime ụlọ | Òtù |
Ihenhọrọ ndị ahụ
| Elektrọn | 1.88 (Pauling) |
| Nhazi | 760.4 kJ/mol |
| Elektrọn | 63.7 kJ/mol |
| Oxygenation state | +2, +3, +4, +5 |
Ihenhọrọ nke atom
| Nhazi | [Ar] 3d7 4s2 |
| Atomic Radius | 125.0 pm |
| Covalent Radius | 126.0 pm |
| Van der Waals Radius | 192.0 pm |
Ndesịta ozi ndị ahụ
| E chọpụtara site na | Georg Brandt |
| Ụbọchị emeredịkachọrọ | 1735 |
| Ebe | Stockholm |
| Aha mgbe ahụ | German 'kobald' pụtara goblin mọọbụ evil spirit |
Báà Cobalt
Cobalt bụ a hard, lustrous, silver-grey metal na a bluish tinge. Cobalt compounds na-emepụta deep blue agba na glass na ceramics. Ọ bụ a mkpa trace elementị dị ka a component nke vitamin B12.
Usoroiheomume
Lithium-ion batrị, superalloys maka jet engines, blue pigments, magnetic alloys, na vitamin B12.
Eziokwu dị ụtọ
Cobalt na-enweta aha ya site na 'kobold' (German maka goblin), n'ihi na ndị na-agba goblins maka ihe na-egbu egbu mgbe cobalt ore na-emegharị.
Isotopes
| Nkebi | Afọ́ọ̀ltụ̀ | Half-Life | Òtù |
| 59 | 1.0% | - | Ee |
Nhazi
[Ar] 3d7 4s2