Americium (Am)vsTantalum (Ta)
Tantalum (Ta) has a higher Electron Affinity (31 vs 10 kJ/mol), while Americium (Am) has a higher Molar Heat Capacity (63 vs 25 J/(mol·K)), while Tantalum (Ta) has a higher Melting Point (3,290 vs 1,449 K).
Atomic Properties
95
Atomic Number
73
243
Atomic Mass
181
7
Period
6
3
Group
5
Physical Properties
12
Density
17
1,449
Melting Point
3,290
2,880
Boiling Point
5,731
63
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
2
10
Electron Affinity
31
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).