Berkelium (Bk)vsProtactinium (Pa)
Protactinium (Pa) has a higher Electron Affinity (53 vs -165 kJ/mol), while Protactinium (Pa) has a higher Boiling Point (4,300 vs 2,900 K), while Protactinium (Pa) has a higher Melting Point (1,841 vs 1,259 K).
Atomic Properties
97
Atomic Number
91
247
Atomic Mass
231
7
Period
7
3
Group
3
Physical Properties
15
Density
15
1,259
Melting Point
1,841
2,900
Boiling Point
4,300
N/A
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
2
-165
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).