Rhenium (Re)vsSilicon (Si)
Silicon (Si) has a higher Electron Affinity (134 vs 6 kJ/mol), while Rhenium (Re) has a higher Density (21 vs 2 g/cm³), while Rhenium (Re) has a higher Atomic Mass (186 vs 28 u).
Atomic Properties
75
Atomic Number
14
186
Atomic Mass
28
6
Period
3
7
Group
14
Physical Properties
21
Density
2
3,459
Melting Point
1,687
5,869
Boiling Point
3,538
25
Molar Heat Capacity
20
Chemical Properties
2
Electronegativity
2
6
Electron Affinity
134
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).