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Chemical Properties of Promethium and Nihonium

Promethium
Nihonium
Chemical Properties of Nihonium and Promethium


Chemical Properties
Chemical Formula
Pm   
Nh   
Isotopes
  
  
Known Isotopes
27   
12
7   
31
Electronegativity
  
  
Allred Rochow Electronegativity
1.07   
32
Not Available   
Electropositivity
  
  
Ionization Energies
  
  
1st Energy Level
540.00 kJ/mol   
99+
704.90 kJ/mol   
34
2nd Energy Level
1,050.00 kJ/mol   
99+
2,238.50 kJ/mol   
7
3rd Energy Level
2,150.00 kJ/mol   
99+
3,023.30 kJ/mol   
26
4th Energy Level
3,970.00 kJ/mol   
38
4,351.50 kJ/mol   
29
5th Energy Level
Not Available   
5,692.60 kJ/mol   
28
Electrochemical Equivalent
1.80 g/amp-hr   
36
Not Available   
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Ionization   
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