Americium (Am)vsPraseodymium (Pr)
Praseodymium (Pr) has a higher Electron Affinity (93 vs 10 kJ/mol), while Americium (Am) has a higher Molar Heat Capacity (63 vs 27 J/(mol·K)), while Americium (Am) has a higher Density (12 vs 7 g/cm³).
Atomic Properties
95
Atomic Number
59
243
Atomic Mass
141
7
Period
6
3
Group
3
Physical Properties
12
Density
7
1,449
Melting Point
1,208
2,880
Boiling Point
3,403
63
Molar Heat Capacity
27
Chemical Properties
1
Electronegativity
1
10
Electron Affinity
93
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).