Berkelium (Bk)vsLanthanum (La)
Lanthanum (La) has a higher Electron Affinity (53 vs -165 kJ/mol), while Berkelium (Bk) has a higher Density (15 vs 6 g/cm³), while Berkelium (Bk) has a higher Atomic Mass (247 vs 139 u).
Atomic Properties
97
Atomic Number
57
247
Atomic Mass
139
7
Period
6
3
Group
3
Physical Properties
15
Density
6
1,259
Melting Point
1,193
2,900
Boiling Point
3,737
N/A
Molar Heat Capacity
27
Chemical Properties
1
Electronegativity
1
-165
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).