Berkelium (Bk)vsPromethium (Pm)
Promethium (Pm) has a higher Electron Affinity (12 vs -165 kJ/mol), while Berkelium (Bk) has a higher Density (15 vs 7 g/cm³), while Berkelium (Bk) has a higher Atomic Mass (247 vs 145 u).
Atomic Properties
97
Atomic Number
61
247
Atomic Mass
145
7
Period
6
3
Group
3
Physical Properties
15
Density
7
1,259
Melting Point
1,315
2,900
Boiling Point
3,273
N/A
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
-165
Electron Affinity
12
Similar Comparisons to Berkelium (Bk) vs Promethium (Pm)
More comparisons with Berkelium (Bk)
More comparisons with Promethium (Pm)
Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).