Americium (Am)vsEinsteinium (Es)
Americium (Am) has a higher Electron Affinity (10 vs -29 kJ/mol), while Americium (Am) has a higher Boiling Point (2,880 vs 1,269 K), while Americium (Am) has a higher Density (12 vs 9 g/cm³).
Atomic Properties
95
Atomic Number
99
243
Atomic Mass
252
7
Period
7
3
Group
3
Physical Properties
12
Density
9
1,449
Melting Point
1,133
2,880
Boiling Point
1,269
63
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
10
Electron Affinity
-29
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).