Astatine (At)vsRadon (Rn)
Astatine (At) has a higher Electron Affinity (233 vs -68 kJ/mol), while Astatine (At) has a higher Boiling Point (610 vs 212 K), while Astatine (At) has a higher Melting Point (575 vs 202 K).
Atomic Properties
85
Atomic Number
86
210
Atomic Mass
222
6
Period
6
17
Group
18
Physical Properties
6
Density
10
575
Melting Point
202
610
Boiling Point
212
N/A
Molar Heat Capacity
N/A
Chemical Properties
2
Electronegativity
2
233
Electron Affinity
-68
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).