Dubnium (Db)vsNeptunium (Np)
Dubnium (Db) has a higher Group (5 vs 3), while Dubnium (Db) has a higher Density (29 vs 20 g/cm³), while Dubnium (Db) has a higher Atomic Mass (268 vs 237 u).
Atomic Properties
105
Atomic Number
93
268
Atomic Mass
237
7
Period
7
5
Group
3
Physical Properties
29
Density
20
N/A
Melting Point
912
N/A
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)).