Americium (Am)vsNobelium (No)
Americium (Am) has a higher Electron Affinity (10 vs -223 kJ/mol), while Americium (Am) has a higher Melting Point (1,449 vs 1,100 K), while Nobelium (No) has a higher Electronegativity (1 vs 1 Pauling).
Atomic Properties
95
Atomic Number
102
243
Atomic Mass
259
7
Period
7
3
Group
3
Physical Properties
12
Density
N/A
1,449
Melting Point
1,100
2,880
Boiling Point
N/A
63
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
10
Electron Affinity
-223
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).