Argon (Ar)vsLanthanum (La)
Lanthanum (La) has a higher Electron Affinity (53 vs -96 kJ/mol), while Lanthanum (La) has a higher Boiling Point (3,737 vs 87 K), while Lanthanum (La) has a higher Melting Point (1,193 vs 84 K).
Atomic Properties
18
Atomic Number
57
40
Atomic Mass
139
3
Period
6
18
Group
3
Physical Properties
2
Density
6
84
Melting Point
1,193
87
Boiling Point
3,737
N/A
Molar Heat Capacity
27
Chemical Properties
N/A
Electronegativity
1
-96
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).