Argon (Ar)vsSodium (Na)
Sodium (Na) has a higher Electron Affinity (53 vs -96 kJ/mol), while Argon (Ar) has a higher Group (18 vs 1), while Sodium (Na) has a higher Boiling Point (1,156 vs 87 K).
Atomic Properties
18
Atomic Number
11
40
Atomic Mass
23
3
Period
3
18
Group
1
Physical Properties
2
Density
1
84
Melting Point
371
87
Boiling Point
1,156
N/A
Molar Heat Capacity
28
Chemical Properties
N/A
Electronegativity
1
-96
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).