Astatine (At)vsErbium (Er)
Astatine (At) has a higher Electron Affinity (233 vs 30 kJ/mol), while Astatine (At) has a higher Group (17 vs 3), while Erbium (Er) has a higher Boiling Point (3,141 vs 610 K).
Atomic Properties
85
Atomic Number
68
210
Atomic Mass
167
6
Period
6
17
Group
3
Physical Properties
6
Density
9
575
Melting Point
1,802
610
Boiling Point
3,141
N/A
Molar Heat Capacity
28
Chemical Properties
2
Electronegativity
1
233
Electron Affinity
30
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).