Europium (Eu)vsRoentgenium (Rg)
Roentgenium (Rg) has a higher Electron Affinity (151 vs 11 kJ/mol), while Roentgenium (Rg) has a higher Density (29 vs 5 g/cm³), while Roentgenium (Rg) has a higher Group (11 vs 3).
Atomic Properties
63
Atomic Number
111
152
Atomic Mass
282
6
Period
7
3
Group
11
Physical Properties
5
Density
29
1,099
Melting Point
N/A
1,802
Boiling Point
N/A
28
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
N/A
11
Electron Affinity
151
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).