Copernicium (Cn)vsNeptunium (Np)
Copernicium (Cn) has a higher Group (12 vs 3), while Neptunium (Np) has a higher Density (20 vs 14 g/cm³), while Neptunium (Np) has a higher Boiling Point (4,447 vs 3,570 K).
Atomic Properties
112
Atomic Number
93
285
Atomic Mass
237
7
Period
7
12
Group
3
Physical Properties
14
Density
20
N/A
Melting Point
912
3,570
Boiling Point
4,447
N/A
Molar Heat Capacity
29
Chemical Properties
N/A
Electronegativity
1
N/A
Electron Affinity
46
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).