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Chemical Properties of Promethium and Darmstadtium


Chemical Properties of Darmstadtium and Promethium


Chemical Properties

Chemical Formula
Pm   
Ds   

Isotopes
  
  

Known Isotopes
27   
12
9   
29

Electronegativity
  
  

Allred Rochow Electronegativity
1.07   
32
Not Available   

Electropositivity
  
  

Ionization Energies
  
  

1st Energy Level
540.00 kJ/mol   
99+
955.20 kJ/mol   
5

2nd Energy Level
1,050.00 kJ/mol   
99+
1,891.10 kJ/mol   
16

3rd Energy Level
2,150.00 kJ/mol   
99+
3,029.60 kJ/mol   
25

4th Energy Level
3,970.00 kJ/mol   
38
3,955.90 kJ/mol   
40

5th Energy Level
Not Available   
5,113.70 kJ/mol   
33

Electrochemical Equivalent
1.80 g/amp-hr   
36
Not Available   

Electron Work Function
Not Available   
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   

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