Cesium (Cs)vsProtactinium (Pa)
Protactinium (Pa) has a higher Density (15 vs 2 g/cm³), while Protactinium (Pa) has a higher Melting Point (1,841 vs 302 K), while Protactinium (Pa) has a higher Boiling Point (4,300 vs 944 K).
Atomic Properties
55
Atomic Number
91
133
Atomic Mass
231
6
Period
7
1
Group
3
Physical Properties
2
Density
15
302
Melting Point
1,841
944
Boiling Point
4,300
32
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
2
46
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).