Show Elements
ID 2
Symbol Co
Name Cobalt
Density (g/cm<sup>3</sup>) 8.9
Atomic Number 27
Molecular Weight 59
Melting Point (K) 1768.15
Boiling Point (K) 3200
Specific Heat Capacity (J/kg K) 421
Electro Negativity 1.88
Curie temperature (K) 1400
Bohr Magneton (J/T) 1.72
Magnetization Saturation (MA m<sup>-1</sup>) 1.45
Crystal Structure ​Hexagonal close-packed (hcp)
Appearance Bluish-white
Element category Transition metal
Magnetic ordering Ferromagnetic
Discovery Georg Brandt (1735)
General Information Cobalt is a bluish-white, lustrous, hard, brittle metal. It is ferromagnetic. The metal is active chemically, forming many compounds. Cobalt stays magnetic to the highest temperature of all the magnetic elements (it has a Curie point of 1121oC).
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