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Iridium (Ir)vsRoentgenium (Rg)

Roentgenium (Rg) has a higher Atomic Mass (282 vs 192 u), while Roentgenium (Rg) has a higher Atomic Number (111 vs 77), while Roentgenium (Rg) has a higher Density (29 vs 23 g/cm³).

Atomic Properties

77
Atomic Number
111
192
Atomic Mass
282
6
Period
7
9
Group
11

Physical Properties

23
Density
29
2,719
Melting Point
N/A
4,403
Boiling Point
N/A
25
Molar Heat Capacity
N/A

Chemical Properties

2
Electronegativity
N/A
151
Electron Affinity
151

Similar Comparisons to Iridium (Ir) vs Roentgenium (Rg)

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