Barium (Ba)vsCopper (Cu)
Copper (Cu) has a higher Electron Affinity (119 vs 14 kJ/mol), while Copper (Cu) has a higher Group (11 vs 2), while Copper (Cu) has a higher Density (9 vs 4 g/cm³).
Atomic Properties
56
Atomic Number
29
137
Atomic Mass
64
6
Period
4
2
Group
11
Physical Properties
4
Density
9
1,000
Melting Point
1,358
2,118
Boiling Point
2,835
28
Molar Heat Capacity
24
Chemical Properties
1
Electronegativity
2
14
Electron Affinity
119
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).