Americium (Am)vsPolonium (Po)
Polonium (Po) has a higher Electron Affinity (136 vs 10 kJ/mol), while Polonium (Po) has a higher Group (16 vs 3), while Americium (Am) has a higher Melting Point (1,449 vs 527 K).
Atomic Properties
95
Atomic Number
84
243
Atomic Mass
209
7
Period
6
3
Group
16
Physical Properties
12
Density
9
1,449
Melting Point
527
2,880
Boiling Point
1,235
63
Molar Heat Capacity
26
Chemical Properties
1
Electronegativity
2
10
Electron Affinity
136
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).