Copernicium (Cn)vsProtactinium (Pa)
Copernicium (Cn) has a higher Group (12 vs 3), while Copernicium (Cn) has a higher Atomic Mass (285 vs 231 u), while Copernicium (Cn) has a higher Atomic Number (112 vs 91).
Atomic Properties
112
Atomic Number
91
285
Atomic Mass
231
7
Period
7
12
Group
3
Physical Properties
14
Density
15
N/A
Melting Point
1,841
3,570
Boiling Point
4,300
N/A
Molar Heat Capacity
N/A
Chemical Properties
N/A
Electronegativity
2
N/A
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).