Astatine (At)vsIron (Fe)
Astatine (At) has a higher Electron Affinity (233 vs 15 kJ/mol), while Iron (Fe) has a higher Boiling Point (3,134 vs 610 K), while Astatine (At) has a higher Atomic Mass (210 vs 56 u).
Atomic Properties
85
Atomic Number
26
210
Atomic Mass
56
6
Period
4
17
Group
8
Physical Properties
6
Density
8
575
Melting Point
1,811
610
Boiling Point
3,134
N/A
Molar Heat Capacity
25
Chemical Properties
2
Electronegativity
2
233
Electron Affinity
15
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).