Astatine (At)vsLead (Pb)
Astatine (At) has a higher Electron Affinity (233 vs 34 kJ/mol), while Lead (Pb) has a higher Boiling Point (2,022 vs 610 K), while Lead (Pb) has a higher Density (11 vs 6 g/cm³).
Atomic Properties
85
Atomic Number
82
210
Atomic Mass
207
6
Period
6
17
Group
14
Physical Properties
6
Density
11
575
Melting Point
601
610
Boiling Point
2,022
N/A
Molar Heat Capacity
27
Chemical Properties
2
Electronegativity
2
233
Electron Affinity
34
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).