Barium (Ba)vsCobalt (Co)
Cobalt (Co) has a higher Electron Affinity (64 vs 14 kJ/mol), while Cobalt (Co) has a higher Group (9 vs 2), while Cobalt (Co) has a higher Density (9 vs 4 g/cm³).
Atomic Properties
56
Atomic Number
27
137
Atomic Mass
59
6
Period
4
2
Group
9
Physical Properties
4
Density
9
1,000
Melting Point
1,768
2,118
Boiling Point
3,200
28
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
2
14
Electron Affinity
64
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).