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Chemical Properties of Promethium and Palladium


Chemical Properties of Palladium and Promethium


Chemical Properties

Chemical Formula
Pm   
Pd   

Isotopes
  
  

Known Isotopes
27   
12
38   
1

Electronegativity
  
  

Pauling Electronegativity
Not Available   
2.20   
4

Allred Rochow Electronegativity
1.07   
32
1.35   
21

Allen Electronegativity
Not Available   
1.59   
22

Electropositivity
  
  

Pauling Electropositivity
Not Available   
1.80   
99+

Ionization Energies
  
  

1st Energy Level
540.00 kJ/mol   
99+
520.23 kJ/mol   
99+

2nd Energy Level
1,050.00 kJ/mol   
99+
7,298.22 kJ/mol   
2

3rd Energy Level
2,150.00 kJ/mol   
99+
11,815.13 kJ/mol   
3

4th Energy Level
3,970.00 kJ/mol   
38
Not Available   

Electrochemical Equivalent
1.80 g/amp-hr   
36
1.99 g/amp-hr   
30

Electron Work Function
Not Available   
5.12 eV   
3

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

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