Roentgenium (Rg)vsTantalum (Ta)
Roentgenium (Rg) has a higher Electron Affinity (151 vs 31 kJ/mol), while Roentgenium (Rg) has a higher Group (11 vs 5), while Roentgenium (Rg) has a higher Density (29 vs 17 g/cm³).
Atomic Properties
111
Atomic Number
73
282
Atomic Mass
181
7
Period
6
11
Group
5
Physical Properties
29
Density
17
N/A
Melting Point
3,290
N/A
Boiling Point
5,731
N/A
Molar Heat Capacity
25
Chemical Properties
N/A
Electronegativity
2
151
Electron Affinity
31
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).