Copper (Cu)vsLawrencium (Lr)
Copper (Cu) has a higher Electron Affinity (119 vs -30 kJ/mol), while Lawrencium (Lr) has a higher Atomic Mass (266 vs 64 u), while Copper (Cu) has a higher Group (11 vs 3).
Atomic Properties
29
Atomic Number
103
64
Atomic Mass
266
4
Period
7
11
Group
3
Physical Properties
9
Density
N/A
1,358
Melting Point
1,900
2,835
Boiling Point
N/A
24
Molar Heat Capacity
N/A
Chemical Properties
2
Electronegativity
1
119
Electron Affinity
-30
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).