Chlorine (Cl)vsNeptunium (Np)
Neptunium (Np) has a higher Boiling Point (4,447 vs 239 K), while Chlorine (Cl) has a higher Electron Affinity (349 vs 46 kJ/mol), while Neptunium (Np) has a higher Atomic Mass (237 vs 35 u).
Atomic Properties
17
Atomic Number
93
35
Atomic Mass
237
3
Period
7
17
Group
3
Physical Properties
3
Density
20
172
Melting Point
912
239
Boiling Point
4,447
N/A
Molar Heat Capacity
29
Chemical Properties
3
Electronegativity
1
349
Electron Affinity
46
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).