Barium (Ba)vsLawrencium (Lr)
Barium (Ba) has a higher Electron Affinity (14 vs -30 kJ/mol), while Lawrencium (Lr) has a higher Atomic Mass (266 vs 137 u), while Lawrencium (Lr) has a higher Melting Point (1,900 vs 1,000 K).
Atomic Properties
56
Atomic Number
103
137
Atomic Mass
266
6
Period
7
2
Group
3
Physical Properties
4
Density
N/A
1,000
Melting Point
1,900
2,118
Boiling Point
N/A
28
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
14
Electron Affinity
-30
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).