Lanthanum (La)vsPraseodymium (Pr)
Praseodymium (Pr) has a higher Electron Affinity (93 vs 53 kJ/mol), while Praseodymium (Pr) has a higher Density (7 vs 6 g/cm³), while Lanthanum (La) has a higher Boiling Point (3,737 vs 3,403 K).
Atomic Properties
57
Atomic Number
59
139
Atomic Mass
141
6
Period
6
3
Group
3
Physical Properties
6
Density
7
1,193
Melting Point
1,208
3,737
Boiling Point
3,403
27
Molar Heat Capacity
27
Chemical Properties
1
Electronegativity
1
53
Electron Affinity
93
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).