Plutonium (Pu)vsThorium (Th)
Thorium (Th) has a higher Electron Affinity (113 vs -48 kJ/mol), while Thorium (Th) has a higher Melting Point (2,023 vs 913 K), while Plutonium (Pu) has a higher Density (20 vs 12 g/cm³).
Atomic Properties
94
Atomic Number
90
244
Atomic Mass
232
7
Period
7
3
Group
3
Physical Properties
20
Density
12
913
Melting Point
2,023
3,505
Boiling Point
5,061
36
Molar Heat Capacity
26
Chemical Properties
1
Electronegativity
1
-48
Electron Affinity
113
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).