Europium (Eu)vsFrancium (Fr)
Francium (Fr) has a higher Electron Affinity (47 vs 11 kJ/mol), while Europium (Eu) has a higher Melting Point (1,099 vs 300 K), while Europium (Eu) has a higher Group (3 vs 1).
Atomic Properties
63
Atomic Number
87
152
Atomic Mass
223
6
Period
7
3
Group
1
Physical Properties
5
Density
2
1,099
Melting Point
300
1,802
Boiling Point
950
28
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
11
Electron Affinity
47
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).