Co
Cobalt
Zosankha 27 · 58.933 u
Cobalt ndi yolimba, yowala yosinthasintha yomwe imadziwika ndi ma compounds ake abuluu ndi kugwiritsa ntchito ma batri.
Zochita za Fiziki
| Mafuta | 58.933 u |
| Kuwala | 8.9 g/cm³ |
| Kutentha | 1768.0 K |
| Kutentha | 3200.0 K |
| Kuoneka | Hard, lustrous, blueish-grey metallic |
| State at Room Temp | M'gululi |
Makhalidwe a Chemical
| Electronegativity | 1.88 (Pauling) |
| 1st Ionization Energy | 760.4 kJ/mol |
| Electron Affinity | 63.7 kJ/mol |
| Oxygen | +2, +3, +4, +5 |
Zosankha
| Kusintha kwa ma electron | [Ar] 3d7 4s2 |
| Atomic radius | 125.0 pm |
| Covalent Radius | 126.0 pm |
| Kuwala kwa Van der Waals | 192.0 pm |
Kupeza
| Kupezeka ndi | Georg Brandt |
| Kuzindikira chaka | 1735 |
| Malo | Stockholm, Sweden |
| Analimbikitsidwa ndi | Chijeremani 'kobald' kutanthauza goblin kapena mzimu woipa |
Za ine Cobalt
Cobalt ndi yovuta, yowala, silver-grey metal ndi bluish tinge. Cobalt zosapanga dzimbiri zimapanga kuwala kwa buluu m'matumba ndi ma ceramics.Izi ndi zofunika kwambiri monga gawo la vitamini B12.
Kugwiritsa ntchito & Maphunziro
Batire ya lithium-ion, superalloys ya injini za jet, pigments yabuluu, ma alloys ozungulira, ndi vitamini B12.
Fun Facts
Cobalt imalandira dzina lake kuchokera ku 'kobold' (chijeremani cha goblin), chifukwa ma mineros amatsutsa goblins chifukwa cha zinyalala zowopsa pamene ma cobalt ore anali osungunuka.
Isotopes
| Kukula kwa maselo | Kuchuluka | Half-Life | Wolimba |
| 59 | 1.0% | - | Yes |
Kusintha kwa ma electron
[Ar] 3d7 4s2