Hafnium (Hf)vsRhenium (Re)
Hafnium (Hf) has a higher Electron Affinity (17 vs 6 kJ/mol), while Rhenium (Re) has a higher Group (7 vs 4), while Rhenium (Re) has a higher Density (21 vs 13 g/cm³).
Atomic Properties
72
Atomic Number
75
178
Atomic Mass
186
6
Period
6
4
Group
7
Physical Properties
13
Density
21
2,506
Melting Point
3,459
4,876
Boiling Point
5,869
26
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
2
17
Electron Affinity
6
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).