Americium (Am)vsPlutonium (Pu)
Americium (Am) has a higher Electron Affinity (10 vs -48 kJ/mol), while Americium (Am) has a higher Molar Heat Capacity (63 vs 36 J/(mol·K)), while Plutonium (Pu) has a higher Density (20 vs 12 g/cm³).
Atomic Properties
95
Atomic Number
94
243
Atomic Mass
244
7
Period
7
3
Group
3
Physical Properties
12
Density
20
1,449
Melting Point
913
2,880
Boiling Point
3,505
63
Molar Heat Capacity
36
Chemical Properties
1
Electronegativity
1
10
Electron Affinity
-48
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).