Cobalt

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A chemical element, in the periodic table Cobalt has the symbol Co and atom number 27. Co Cobalt 27

Name: Cobalt Symbol: Co Group: Trans. Met. Crystal Structure: Hexagonal Atomic number: 27 Atomic weight: 58.9332 Shells: 2,8,15,2 Filling orbital: 3d7 Melt: 1495°C Boil: 2870°C Electronegativity: 1.88 Covalent radius: 1.16 Å Atomic radius: 1.67 Å Atomic volume: 6.7 cm/mol First ionization potential: 7.86 V 2nd ionization potential: 17.06 V 3rd ionization potential: 33.50 V Oxidation states: (2),3 Density @ 293 K: 8.90 g/cm Specific heat: 0.42 J/gK Heat of vaporization: 376.50 kJ/mol Heat of fusion: 16.190 kJ/mol Electrical conductivity: 0.172 10^6/cm ohm Thermal conductivity: 1.00 W/cmK

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