Astatine (At)vsPolonium (Po)
Polonium (Po) has a higher Boiling Point (1,235 vs 610 K), while Astatine (At) has a higher Electron Affinity (233 vs 136 kJ/mol), while Polonium (Po) has a higher Density (9 vs 6 g/cm³).
Atomic Properties
85
Atomic Number
84
210
Atomic Mass
209
6
Period
6
17
Group
16
Physical Properties
6
Density
9
575
Melting Point
527
610
Boiling Point
1,235
N/A
Molar Heat Capacity
26
Chemical Properties
2
Electronegativity
2
233
Electron Affinity
136
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).