Chromium (Cr)vsIridium (Ir)
Iridium (Ir) has a higher Atomic Mass (192 vs 52 u), while Iridium (Ir) has a higher Atomic Number (77 vs 24), while Iridium (Ir) has a higher Density (23 vs 7 g/cm³).
Atomic Properties
24
Atomic Number
77
52
Atomic Mass
192
4
Period
6
6
Group
9
Physical Properties
7
Density
23
2,180
Melting Point
2,719
2,944
Boiling Point
4,403
23
Molar Heat Capacity
25
Chemical Properties
2
Electronegativity
2
65
Electron Affinity
151
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).