Neptunium (Np)vsVanadium (V)
Neptunium (Np) has a higher Atomic Mass (237 vs 51 u), while Neptunium (Np) has a higher Atomic Number (93 vs 23), while Neptunium (Np) has a higher Density (20 vs 6 g/cm³).
Atomic Properties
93
Atomic Number
23
237
Atomic Mass
51
7
Period
4
3
Group
5
Physical Properties
20
Density
6
912
Melting Point
2,183
4,447
Boiling Point
3,680
29
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
2
46
Electron Affinity
51
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).