Cobalt (Co)vsPotassium (K)
Cobalt (Co) has a higher Density (9 vs 1 g/cm³), while Cobalt (Co) has a higher Group (9 vs 1), while Cobalt (Co) has a higher Melting Point (1,768 vs 337 K).
Atomic Properties
27
Atomic Number
19
59
Atomic Mass
39
4
Period
4
9
Group
1
Physical Properties
9
Density
1
1,768
Melting Point
337
3,200
Boiling Point
1,032
25
Molar Heat Capacity
30
Chemical Properties
2
Electronegativity
1
64
Electron Affinity
48
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).