Cobalt (Co)vsIron (Fe)
Cobalt (Co) has a higher Electron Affinity (64 vs 15 kJ/mol), while Cobalt (Co) has a higher Density (9 vs 8 g/cm³), while Cobalt (Co) has a higher Group (9 vs 8).
Atomic Properties
27
Atomic Number
26
59
Atomic Mass
56
4
Period
4
9
Group
8
Physical Properties
9
Density
8
1,768
Melting Point
1,811
3,200
Boiling Point
3,134
25
Molar Heat Capacity
25
Chemical Properties
2
Electronegativity
2
64
Electron Affinity
15
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).