Arsenic (As)vsNeptunium (Np)
Arsenic (As) has a higher Group (15 vs 3), while Neptunium (Np) has a higher Density (20 vs 6 g/cm³), while Neptunium (Np) has a higher Atomic Mass (237 vs 75 u).
Atomic Properties
33
Atomic Number
93
75
Atomic Mass
237
4
Period
7
15
Group
3
Physical Properties
6
Density
20
N/A
Melting Point
912
N/A
Boiling Point
4,447
25
Molar Heat Capacity
29
Chemical Properties
2
Electronegativity
1
78
Electron Affinity
46
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).