Iridium (Ir)vsThallium (Tl)
Iridium (Ir) has a higher Melting Point (2,719 vs 577 K), while Iridium (Ir) has a higher Electron Affinity (151 vs 36 kJ/mol), while Iridium (Ir) has a higher Boiling Point (4,403 vs 1,746 K).
Atomic Properties
77
Atomic Number
81
192
Atomic Mass
204
6
Period
6
9
Group
13
Physical Properties
23
Density
12
2,719
Melting Point
577
4,403
Boiling Point
1,746
25
Molar Heat Capacity
26
Chemical Properties
2
Electronegativity
2
151
Electron Affinity
36
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).