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Chemical Properties of Gadolinium and Praseodymium

Gadolinium
Praseodymium
Chemical Properties of Praseodymium and Gadolinium


Chemical Properties
Chemical Formula
Gd   
Pr   
Isotopes
  
  
Known Isotopes
26   
13
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.20   
39
1.13   
99+
Allred Rochow Electronegativity
1.11   
29
1.07   
32
Electropositivity
  
  
Pauling Electropositivity
2.80   
15
2.87   
12
Ionization Energies
  
  
1st Energy Level
593.40 kJ/mol   
99+
527.00 kJ/mol   
99+
2nd Energy Level
1,170.00 kJ/mol   
99+
1,020.00 kJ/mol   
99+
3rd Energy Level
1,990.00 kJ/mol   
99+
2,086.00 kJ/mol   
99+
4th Energy Level
4,250.00 kJ/mol   
30
3,761.00 kJ/mol   
99+
5th Energy Level
Not Available   
5,551.00 kJ/mol   
29
Electrochemical Equivalent
1.96 g/amp-hr   
32
1.75 g/amp-hr   
40
Electron Work Function
3.10 eV   
35
2.70 eV   
99+
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes   
Anti Corrosion, Ionization, Radioactive Isotopes   
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