Americium (Am)vsTechnetium (Tc)
Technetium (Tc) has a higher Electron Affinity (53 vs 10 kJ/mol), while Americium (Am) has a higher Molar Heat Capacity (63 vs 24 J/(mol·K)), while Americium (Am) has a higher Atomic Mass (243 vs 98 u).
Atomic Properties
95
Atomic Number
43
243
Atomic Mass
98
7
Period
5
3
Group
7
Physical Properties
12
Density
11
1,449
Melting Point
2,430
2,880
Boiling Point
4,538
63
Molar Heat Capacity
24
Chemical Properties
1
Electronegativity
2
10
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).