Lawrencium (Lr)vsSamarium (Sm)
Samarium (Sm) has a higher Electron Affinity (16 vs -30 kJ/mol), while Lawrencium (Lr) has a higher Atomic Mass (266 vs 150 u), while Lawrencium (Lr) has a higher Atomic Number (103 vs 62).
Atomic Properties
103
Atomic Number
62
266
Atomic Mass
150
7
Period
6
3
Group
3
Physical Properties
N/A
Density
8
1,900
Melting Point
1,345
N/A
Boiling Point
2,173
N/A
Molar Heat Capacity
30
Chemical Properties
1
Electronegativity
1
-30
Electron Affinity
16
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).