Americium (Am)vsHafnium (Hf)
Americium (Am) has a higher Molar Heat Capacity (63 vs 26 J/(mol·K)), while Hafnium (Hf) has a higher Electron Affinity (17 vs 10 kJ/mol), while Hafnium (Hf) has a higher Melting Point (2,506 vs 1,449 K).
Atomic Properties
95
Atomic Number
72
243
Atomic Mass
178
7
Period
6
3
Group
4
Physical Properties
12
Density
13
1,449
Melting Point
2,506
2,880
Boiling Point
4,876
63
Molar Heat Capacity
26
Chemical Properties
1
Electronegativity
1
10
Electron Affinity
17
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).