Skip to content

Gold (Au)vsIridium (Ir)

Iridium (Ir) has a higher Melting Point (2,719 vs 1,337 K), while Gold (Au) has a higher Electron Affinity (223 vs 151 kJ/mol), while Iridium (Ir) has a higher Boiling Point (4,403 vs 3,243 K).

Atomic Properties

79
Atomic Number
77
197
Atomic Mass
192
6
Period
6
11
Group
9

Physical Properties

19
Density
23
1,337
Melting Point
2,719
3,243
Boiling Point
4,403
25
Molar Heat Capacity
25

Chemical Properties

3
Electronegativity
2
223
Electron Affinity
151

Similar Comparisons to Gold (Au) vs Iridium (Ir)

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