Plutonium (Pu)vsYttrium (Y)
Yttrium (Y) has a higher Electron Affinity (30 vs -48 kJ/mol), while Plutonium (Pu) has a higher Density (20 vs 4 g/cm³), while Plutonium (Pu) has a higher Atomic Mass (244 vs 89 u).
Atomic Properties
94
Atomic Number
39
244
Atomic Mass
89
7
Period
5
3
Group
3
Physical Properties
20
Density
4
913
Melting Point
1,799
3,505
Boiling Point
3,203
36
Molar Heat Capacity
27
Chemical Properties
1
Electronegativity
1
-48
Electron Affinity
30
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).