Cobalt
Cobalt
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Cobalt ΒΆ
AtomicNumber: 27
Element: Cobalt
Symbol: Co
AtomicMass: 58.933
NumberofNeutrons: 32
NumberofProtons: 27
NumberofElectrons: 27
Period: 4
Group: 9.0
Phase: solid
Radioactive: nan
Natural: yes
Metal: yes
Nonmetal: nan
Metalloid: nan
Type: Transition Metal
AtomicRadius: 1.7
Electronegativity: 1.88
FirstIonization: 7.881
Density: 8.86
MeltingPoint: 1768.15
BoilingPoint: 3200.0
NumberOfIsotopes: 14.0
Discoverer: Brandt
Year: 1735.0
SpecificHeat: 0.421
NumberofShells: 4
NumberofValence: nan