Cobalt (Co)vsSilicon (Si)
Cobalt (Co) has a higher Density (9 vs 2 g/cm³), while Cobalt (Co) has a higher Atomic Mass (59 vs 28 u), while Silicon (Si) has a higher Electron Affinity (134 vs 64 kJ/mol).
Atomic Properties
27
Atomic Number
14
59
Atomic Mass
28
4
Period
3
9
Group
14
Physical Properties
9
Density
2
1,768
Melting Point
1,687
3,200
Boiling Point
3,538
25
Molar Heat Capacity
20
Chemical Properties
2
Electronegativity
2
64
Electron Affinity
134
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).