Francium (Fr)vsRhenium (Re)
Rhenium (Re) has a higher Melting Point (3,459 vs 300 K), while Rhenium (Re) has a higher Density (21 vs 2 g/cm³), while Francium (Fr) has a higher Electron Affinity (47 vs 6 kJ/mol).
Atomic Properties
87
Atomic Number
75
223
Atomic Mass
186
7
Period
6
1
Group
7
Physical Properties
2
Density
21
300
Melting Point
3,459
950
Boiling Point
5,869
N/A
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
2
47
Electron Affinity
6
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).