Cerium (Ce)vsIridium (Ir)
Iridium (Ir) has a higher Density (23 vs 7 g/cm³), while Iridium (Ir) has a higher Group (9 vs 3), while Iridium (Ir) has a higher Electron Affinity (151 vs 55 kJ/mol).
Atomic Properties
58
Atomic Number
77
140
Atomic Mass
192
6
Period
6
3
Group
9
Physical Properties
7
Density
23
1,068
Melting Point
2,719
3,716
Boiling Point
4,403
27
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
2
55
Electron Affinity
151
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).