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Chemical Properties of Praseodymium and Neodymium

Praseodymium
Neodymium
Chemical Properties of Neodymium and Praseodymium


Chemical Properties
Chemical Formula
Pr   
Nd   
Isotopes
  
  
Known Isotopes
31   
8
30   
9
Electronegativity
  
  
Pauling Electronegativity
1.13   
99+
1.14   
99+
Allred Rochow Electronegativity
1.07   
32
1.07   
32
Electropositivity
  
  
Pauling Electropositivity
2.87   
12
2.86   
13
Ionization Energies
  
  
1st Energy Level
527.00 kJ/mol   
99+
533.10 kJ/mol   
99+
2nd Energy Level
1,020.00 kJ/mol   
99+
1,040.00 kJ/mol   
99+
3rd Energy Level
2,086.00 kJ/mol   
99+
2,130.00 kJ/mol   
99+
4th Energy Level
3,761.00 kJ/mol   
99+
3,900.00 kJ/mol   
99+
5th Energy Level
5,551.00 kJ/mol   
29
Not Available   
Electrochemical Equivalent
1.75 g/amp-hr   
40
1.79 g/amp-hr   
37
Electron Work Function
2.70 eV   
99+
3.20 eV   
34
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Chemical Stability, Corrosion, Flammable, Ionization   
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