Astatine (At)vsBarium (Ba)
Astatine (At) has a higher Electron Affinity (233 vs 14 kJ/mol), while Astatine (At) has a higher Group (17 vs 2), while Barium (Ba) has a higher Boiling Point (2,118 vs 610 K).
Atomic Properties
85
Atomic Number
56
210
Atomic Mass
137
6
Period
6
17
Group
2
Physical Properties
6
Density
4
575
Melting Point
1,000
610
Boiling Point
2,118
N/A
Molar Heat Capacity
28
Chemical Properties
2
Electronegativity
1
233
Electron Affinity
14
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).