Helium (He)vsPolonium (Po)
Polonium (Po) has a higher Electron Affinity (136 vs -48 kJ/mol), while Polonium (Po) has a higher Melting Point (527 vs 1 K), while Polonium (Po) has a higher Boiling Point (1,235 vs 4 K).
Atomic Properties
2
Atomic Number
84
4
Atomic Mass
209
1
Period
6
18
Group
16
Physical Properties
0
Density
9
1
Melting Point
527
4
Boiling Point
1,235
N/A
Molar Heat Capacity
26
Chemical Properties
N/A
Electronegativity
2
-48
Electron Affinity
136
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).