Copper (Cu)vsDubnium (Db)
Dubnium (Db) has a higher Atomic Mass (268 vs 64 u), while Dubnium (Db) has a higher Atomic Number (105 vs 29), while Dubnium (Db) has a higher Density (29 vs 9 g/cm³).
Atomic Properties
29
Atomic Number
105
64
Atomic Mass
268
4
Period
7
11
Group
5
Physical Properties
9
Density
29
1,358
Melting Point
N/A
2,835
Boiling Point
N/A
24
Molar Heat Capacity
N/A
Chemical Properties
2
Electronegativity
N/A
119
Electron Affinity
N/A
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).