Iodine (I)vsLanthanum (La)
Lanthanum (La) has a higher Boiling Point (3,737 vs 457 K), while Iodine (I) has a higher Group (17 vs 3), while Iodine (I) has a higher Electron Affinity (295 vs 53 kJ/mol).
Atomic Properties
53
Atomic Number
57
127
Atomic Mass
139
5
Period
6
17
Group
3
Physical Properties
5
Density
6
387
Melting Point
1,193
457
Boiling Point
3,737
N/A
Molar Heat Capacity
27
Chemical Properties
3
Electronegativity
1
295
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).