Polonium (Po)vsYttrium (Y)
Polonium (Po) has a higher Group (16 vs 3), while Polonium (Po) has a higher Electron Affinity (136 vs 30 kJ/mol), while Yttrium (Y) has a higher Melting Point (1,799 vs 527 K).
Atomic Properties
84
Atomic Number
39
209
Atomic Mass
89
6
Period
5
16
Group
3
Physical Properties
9
Density
4
527
Melting Point
1,799
1,235
Boiling Point
3,203
26
Molar Heat Capacity
27
Chemical Properties
2
Electronegativity
1
136
Electron Affinity
30
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).