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Chemical Properties of Cerium and Praseodymium

Cerium
Praseodymium
Chemical Properties of Praseodymium and Cerium


Chemical Properties
Chemical Formula
Ce   
Pr   
Isotopes
  
  
Known Isotopes
30   
9
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.12   
99+
1.13   
99+
Allred Rochow Electronegativity
1.08   
31
1.07   
32
Electropositivity
  
  
Pauling Electropositivity
2.88   
11
2.87   
12
Ionization Energies
  
  
1st Energy Level
534.40 kJ/mol   
99+
527.00 kJ/mol   
99+
2nd Energy Level
1,050.00 kJ/mol   
99+
1,020.00 kJ/mol   
99+
3rd Energy Level
1,949.00 kJ/mol   
99+
2,086.00 kJ/mol   
99+
4th Energy Level
3,547.00 kJ/mol   
99+
3,761.00 kJ/mol   
99+
5th Energy Level
6,325.00 kJ/mol   
22
5,551.00 kJ/mol   
29
6th Energy Level
7,490.00 kJ/mol   
21
Not Available   
Electrochemical Equivalent
1.74 g/amp-hr   
99+
1.75 g/amp-hr   
40
Electron Work Function
2.84 eV   
39
2.70 eV   
99+
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes   
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