Arsenic (As)vsPolonium (Po)
Polonium (Po) has a higher Atomic Mass (209 vs 75 u), while Polonium (Po) has a higher Atomic Number (84 vs 33), while Polonium (Po) has a higher Electron Affinity (136 vs 78 kJ/mol).
Atomic Properties
33
Atomic Number
84
75
Atomic Mass
209
4
Period
6
15
Group
16
Physical Properties
6
Density
9
N/A
Melting Point
527
N/A
Boiling Point
1,235
25
Molar Heat Capacity
26
Chemical Properties
2
Electronegativity
2
78
Electron Affinity
136
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).