Argon (Ar)vsBarium (Ba)
Barium (Ba) has a higher Electron Affinity (14 vs -96 kJ/mol), while Barium (Ba) has a higher Boiling Point (2,118 vs 87 K), while Barium (Ba) has a higher Melting Point (1,000 vs 84 K).
Atomic Properties
18
Atomic Number
56
40
Atomic Mass
137
3
Period
6
18
Group
2
Physical Properties
2
Density
4
84
Melting Point
1,000
87
Boiling Point
2,118
N/A
Molar Heat Capacity
28
Chemical Properties
N/A
Electronegativity
1
-96
Electron Affinity
14
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).