Indium (In)vsPromethium (Pm)
Indium (In) has a higher Group (13 vs 3), while Promethium (Pm) has a higher Melting Point (1,315 vs 430 K), while Indium (In) has a higher Electron Affinity (37 vs 12 kJ/mol).
Atomic Properties
49
Atomic Number
61
115
Atomic Mass
145
5
Period
6
13
Group
3
Physical Properties
7
Density
7
430
Melting Point
1,315
2,345
Boiling Point
3,273
27
Molar Heat Capacity
N/A
Chemical Properties
2
Electronegativity
1
37
Electron Affinity
12
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).