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Americium (Am)vsYttrium (Y)

Yttrium (Y) has a higher Electron Affinity (30 vs 10 kJ/mol), while Americium (Am) has a higher Atomic Mass (243 vs 89 u), while Americium (Am) has a higher Density (12 vs 4 g/cm³).

Atomic Properties

95
Atomic Number
39
243
Atomic Mass
89
7
Period
5
3
Group
3

Physical Properties

12
Density
4
1,449
Melting Point
1,799
2,880
Boiling Point
3,203
63
Molar Heat Capacity
27

Chemical Properties

1
Electronegativity
1
10
Electron Affinity
30

Similar Comparisons to Americium (Am) vs Yttrium (Y)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).