Francium (Fr)vsPolonium (Po)
Polonium (Po) has a higher Group (16 vs 1), while Polonium (Po) has a higher Density (9 vs 2 g/cm³), while Polonium (Po) has a higher Electron Affinity (136 vs 47 kJ/mol).
Atomic Properties
87
Atomic Number
84
223
Atomic Mass
209
7
Period
6
1
Group
16
Physical Properties
2
Density
9
300
Melting Point
527
950
Boiling Point
1,235
N/A
Molar Heat Capacity
26
Chemical Properties
1
Electronegativity
2
47
Electron Affinity
136
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).