Aluminium (Al)vsRoentgenium (Rg)
Roentgenium (Rg) has a higher Density (29 vs 3 g/cm³), while Roentgenium (Rg) has a higher Atomic Mass (282 vs 27 u), while Roentgenium (Rg) has a higher Atomic Number (111 vs 13).
Atomic Properties
13
Atomic Number
111
27
Atomic Mass
282
3
Period
7
13
Group
11
Physical Properties
3
Density
29
933
Melting Point
N/A
2,743
Boiling Point
N/A
24
Molar Heat Capacity
N/A
Chemical Properties
2
Electronegativity
N/A
42
Electron Affinity
151
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).