Germanium (Ge)vsProtactinium (Pa)
Germanium (Ge) has a higher Group (14 vs 3), while Protactinium (Pa) has a higher Atomic Mass (231 vs 73 u), while Protactinium (Pa) has a higher Density (15 vs 5 g/cm³).
Atomic Properties
32
Atomic Number
91
73
Atomic Mass
231
4
Period
7
14
Group
3
Physical Properties
5
Density
15
1,211
Melting Point
1,841
3,106
Boiling Point
4,300
23
Molar Heat Capacity
N/A
Chemical Properties
2
Electronegativity
2
119
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).