Berkelium (Bk)vsSodium (Na)
Sodium (Na) has a higher Electron Affinity (53 vs -165 kJ/mol), while Berkelium (Bk) has a higher Density (15 vs 1 g/cm³), while Berkelium (Bk) has a higher Atomic Mass (247 vs 23 u).
Atomic Properties
97
Atomic Number
11
247
Atomic Mass
23
7
Period
3
3
Group
1
Physical Properties
15
Density
1
1,259
Melting Point
371
2,900
Boiling Point
1,156
N/A
Molar Heat Capacity
28
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)).