| Property | Value |
|---|---|
| Atoomnummer | 27 |
| Atoomgewicht | 58.9331955 amu |
| Element family | Overgangsmetalen |
| Elektronische configuratie | 1s2 |
| Stable and very long lived isotopes | 59Co: 100% |
| Previous element | Ijzer |
| Next element | Nikkel |
| Dichtheid | 8.86 g/cm3 (STP) |
| Smelten | 1495 °C |
| Kookpunt | 2870 °C |
| Covalente straal | 1.11 Å |
| Ionstraal | 0.745 Å |
| Metalic radius | 1.25 Å |
| Eerst ionisatiepotentiaal | 7.881 eV |
| Elektronenaffiniteit | 0.662 eV |
| Electronegativity | 1.88 |
| Discovery year | 1735 |
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