Iridium (Ir)vsTantalum (Ta)
Iridium (Ir) has a higher Electron Affinity (151 vs 31 kJ/mol), while Iridium (Ir) has a higher Group (9 vs 5), while Iridium (Ir) has a higher Electronegativity (2 vs 2 Pauling).
Atomic Properties
77
Atomic Number
73
192
Atomic Mass
181
6
Period
6
9
Group
5
Physical Properties
23
Density
17
2,719
Melting Point
3,290
4,403
Boiling Point
5,731
25
Molar Heat Capacity
25
Chemical Properties
2
Electronegativity
2
151
Electron Affinity
31
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).