Cobalt
Chikamu 27 · 58.933 u
Cobalt isiri-yekuoma, yakasimba, uye inopisa-yakaomarara simbi inozivikanwa neyakajeka-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa-yekupisa.
Maitiro ekushandisa
| Atomic radius: | 58.933 u |
| Kuomarara | 8.9 g/cm³ |
| Kutonhora Point | 1768.0 K |
| Kutonhora Point | 3200.0 K |
| Kuoneka | Hard, lustrous, bluish-grey mercury |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 1.88 (Pauling) |
| 1st Ionization Energy | 760.4 kJ/mol |
| Electronegativity: | 63.7 kJ/mol |
| Oxygen | +2, +3, +4, +5 |
Atomic Properties
| Kuisa Kugadzirisa | [Ar] 3d7 4s2 |
| Atomic radius: | 125.0 pm |
| Covalent Radius | 126.0 pm |
| Van der Waals radius | 192.0 pm |
Discovery
| Yakawanikwa ne | Georg Brandt |
| Kuonekwa kwegore | 1735 |
| _Panzvimbo: | Stockholm, Sweden |
| Akapihwa zita mushure me | German 'kobald' zvinoreva goblin kana mudzimu muduku |
Nezve Cobalt
Cobalt isiri-yesimbi simbi ine umbozha hwakanaka, uye inoonekwa seimwe yezvinyorwa zvemakemikari zvinokosha. Cobalt isiri-yesimbi simbi ine umbozha hwakanaka, uye inoonekwa seimwe yezvinyorwa zvemakemikari zvinokosha.
Mashandisiro & Maapplication
Lithium-ion mabhatiri, superalloys ejet injini, mapigments emavara eblue, magnetic alloys, uye vitamini B12.
Nhoroondo yemitambo
Cobalt anowana zita rake kubva ku 'kobold' (German for goblin), nekuti miners aizviuraya goblins yezvirwere zvemvura kana kobalt ore yaive yakachena.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 59 | 1.0% | - | _Ndiani |
Kuisa Kugadzirisa
[Ar] 3d7 4s2