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Chemical Properties of Promethium and Tungsten


Chemical Properties of Tungsten and Promethium


Chemical Properties

Chemical Formula
Pm   
W   

Isotopes
  
  

Known Isotopes
27   
12
33   
6

Electronegativity
  
  

Pauling Electronegativity
Not Available   
2.36   
2

Sanderson Electronegativity
Not Available   
0.98   
23

Allred Rochow Electronegativity
1.07   
32
1.40   
19

Allen Electronegativity
Not Available   
1.47   
29

Electropositivity
  
  

Pauling Electropositivity
Not Available   
1.64   
99+

Ionization Energies
  
  

1st Energy Level
540.00 kJ/mol   
99+
770.00 kJ/mol   
16

2nd Energy Level
1,050.00 kJ/mol   
99+
1,700.00 kJ/mol   
29

3rd Energy Level
2,150.00 kJ/mol   
99+
Not Available   

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

Electrochemical Equivalent
1.80 g/amp-hr   
36
1.14 g/amp-hr   
99+

Electron Work Function
Not Available   
4.55 eV   
13

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

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