Calcium (Ca)vsCobalt (Co)
Cobalt (Co) has a higher Electron Affinity (64 vs 2 kJ/mol), while Cobalt (Co) has a higher Density (9 vs 2 g/cm³), while Cobalt (Co) has a higher Group (9 vs 2).
Atomic Properties
20
Atomic Number
27
40
Atomic Mass
59
4
Period
4
2
Group
9
Physical Properties
2
Density
9
1,115
Melting Point
1,768
1,757
Boiling Point
3,200
26
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
2
2
Electron Affinity
64
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).