Argon (Ar)vsFrancium (Fr)
Francium (Fr) has a higher Electron Affinity (47 vs -96 kJ/mol), while Argon (Ar) has a higher Group (18 vs 1), while Francium (Fr) has a higher Boiling Point (950 vs 87 K).
Atomic Properties
18
Atomic Number
87
40
Atomic Mass
223
3
Period
7
18
Group
1
Physical Properties
2
Density
2
84
Melting Point
300
87
Boiling Point
950
N/A
Molar Heat Capacity
N/A
Chemical Properties
N/A
Electronegativity
1
-96
Electron Affinity
47
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).