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Chemical Properties of Praseodymium and Holmium


Chemical Properties of Holmium and Praseodymium


Chemical Properties

Chemical Formula
Pr   
Ho   

Isotopes
  
  

Known Isotopes
31   
8
34   
5

Electronegativity
  
  

Pauling Electronegativity
1.13   
99+
1.23   
37

Allred Rochow Electronegativity
1.07   
32
1.10   
30

Electropositivity
  
  

Pauling Electropositivity
2.87   
12
2.77   
17

Ionization Energies
  
  

1st Energy Level
527.00 kJ/mol   
99+
581.00 kJ/mol   
99+

2nd Energy Level
1,020.00 kJ/mol   
99+
1,140.00 kJ/mol   
99+

3rd Energy Level
2,086.00 kJ/mol   
99+
2,204.00 kJ/mol   
99+

4th Energy Level
3,761.00 kJ/mol   
99+
4,100.00 kJ/mol   
34

5th Energy Level
5,551.00 kJ/mol   
29
Not Available   

Electrochemical Equivalent
1.75 g/amp-hr   
40
2.02 g/amp-hr   
29

Electron Work Function
2.70 eV   
99+
Not Available   

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   

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