Americium (Am)vsThorium (Th)
Thorium (Th) has a higher Electron Affinity (113 vs 10 kJ/mol), while Americium (Am) has a higher Molar Heat Capacity (63 vs 26 J/(mol·K)), while Thorium (Th) has a higher Boiling Point (5,061 vs 2,880 K).
Atomic Properties
95
Atomic Number
90
243
Atomic Mass
232
7
Period
7
3
Group
3
Physical Properties
12
Density
12
1,449
Melting Point
2,023
2,880
Boiling Point
5,061
63
Molar Heat Capacity
26
Chemical Properties
1
Electronegativity
1
10
Electron Affinity
113
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).