Property |
Specification |
Symbol |
Co |
Atomic Number |
27 |
Density |
8.90 g/cm³ |
Melting Point |
1,495°C (2,723°F) |
Boiling Point |
2,927°C (5,301°F) |
Color |
Silvery-white, with a slight bluish tint |
Hardness |
5 on the Mohs scale |
Crystal Structure |
Hexagonal close-packed (HCP) |
Electrical Conductivity |
Moderate conductor of electricity |
Thermal Conductivity |
100 W/m·K |
Refractive Index |
1.56 |
Solubility |
Insoluble in water, reacts with acids like hydrochloric acid |