Europium (Eu)vsLawrencium (Lr)
Europium (Eu) has a higher Electron Affinity (11 vs -30 kJ/mol), while Lawrencium (Lr) has a higher Atomic Mass (266 vs 152 u), while Lawrencium (Lr) has a higher Melting Point (1,900 vs 1,099 K).
Atomic Properties
63
Atomic Number
103
152
Atomic Mass
266
6
Period
7
3
Group
3
Physical Properties
5
Density
N/A
1,099
Melting Point
1,900
1,802
Boiling Point
N/A
28
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
11
Electron Affinity
-30
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).