Americium (Am)vsUranium (U)
Uranium (U) has a higher Electron Affinity (51 vs 10 kJ/mol), while Americium (Am) has a higher Molar Heat Capacity (63 vs 28 J/(mol·K)), while Uranium (U) has a higher Density (19 vs 12 g/cm³).
Atomic Properties
95
Atomic Number
92
243
Atomic Mass
238
7
Period
7
3
Group
3
Physical Properties
12
Density
19
1,449
Melting Point
1,405
2,880
Boiling Point
4,404
63
Molar Heat Capacity
28
Chemical Properties
1
Electronegativity
1
10
Electron Affinity
51
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).