Barium (Ba)vsFrancium (Fr)
Francium (Fr) has a higher Electron Affinity (47 vs 14 kJ/mol), while Barium (Ba) has a higher Melting Point (1,000 vs 300 K), while Barium (Ba) has a higher Boiling Point (2,118 vs 950 K).
Atomic Properties
56
Atomic Number
87
137
Atomic Mass
223
6
Period
7
2
Group
1
Physical Properties
4
Density
2
1,000
Melting Point
300
2,118
Boiling Point
950
28
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
14
Electron Affinity
47
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).