| Definition | From 'cobald' or evil spirit.its radioactive isotopes is used to treat cancer. |
|---|---|
| Discovery | 1735 by George brandt of sweden |
| Uses | razor blades, jet turbines |
| Group of Elements | 58.933195 |
| Atomic Weight | +2,3 |
| Oxidation State | 1495 |
| Melting Point | 2870 |
| Boiling Point | 8.83 |
| Density | 1.8 g/cm3 |
| Electronegativity | |