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Iridium (Ir)vsPlatinum (Pt)

Platinum (Pt) has a higher Electron Affinity (205 vs 151 kJ/mol), while Iridium (Ir) has a higher Melting Point (2,719 vs 2,041 K), while Platinum (Pt) has a higher Group (10 vs 9).

Atomic Properties

77
Atomic Number
78
192
Atomic Mass
195
6
Period
6
9
Group
10

Physical Properties

23
Density
21
2,719
Melting Point
2,041
4,403
Boiling Point
4,098
25
Molar Heat Capacity
26

Chemical Properties

2
Electronegativity
2
151
Electron Affinity
205

Similar Comparisons to Iridium (Ir) vs Platinum (Pt)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).