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Argon (Ar)vsProtactinium (Pa)

Protactinium (Pa) has a higher Electron Affinity (53 vs -96 kJ/mol), while Protactinium (Pa) has a higher Boiling Point (4,300 vs 87 K), while Protactinium (Pa) has a higher Melting Point (1,841 vs 84 K).

Atomic Properties

18
Atomic Number
91
40
Atomic Mass
231
3
Period
7
18
Group
3

Physical Properties

2
Density
15
84
Melting Point
1,841
87
Boiling Point
4,300
N/A
Molar Heat Capacity
N/A

Chemical Properties

N/A
Electronegativity
2
-96
Electron Affinity
53

Similar Comparisons to Argon (Ar) vs Protactinium (Pa)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).