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Chemical Properties of Seaborgium and Promethium

Seaborgium
Promethium
Chemical Properties of Promethium and Seaborgium


Chemical Properties
Chemical Formula
Sg   
Pm   
Isotopes
  
  
Known Isotopes
9   
29
27   
12
Electronegativity
  
  
Allred Rochow Electronegativity
Not Available   
1.07   
32
Electropositivity
  
  
Ionization Energies
  
  
1st Energy Level
757.40 kJ/mol   
21
540.00 kJ/mol   
99+
2nd Energy Level
1,732.90 kJ/mol   
28
1,050.00 kJ/mol   
99+
3rd Energy Level
2,483.50 kJ/mol   
99+
2,150.00 kJ/mol   
99+
4th Energy Level
3,415.60 kJ/mol   
99+
3,970.00 kJ/mol   
38
5th Energy Level
4,561.80 kJ/mol   
38
Not Available   
6th Energy Level
5,715.80 kJ/mol   
25
Not Available   
Electrochemical Equivalent
Not Available   
1.80 g/amp-hr   
36
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
NA   
Ionization, Radioactive Isotopes, Solubility   
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