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Chemical Properties of Neptunium and Tungsten


Chemical Properties of Tungsten and Neptunium


Chemical Properties

Chemical Formula
Np   
W   

Isotopes
  
  

Known Isotopes
20   
19
33   
6

Electronegativity
  
  

Pauling Electronegativity
1.36   
29
2.36   
2

Sanderson Electronegativity
Not Available   
0.98   
23

Allred Rochow Electronegativity
1.22   
26
1.40   
19

Allen Electronegativity
Not Available   
1.47   
29

Electropositivity
  
  

Pauling Electropositivity
2.64   
25
1.64   
99+

Ionization Energies
  
  

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

2nd Energy Level
1,128.00 kJ/mol   
99+
1,700.00 kJ/mol   
29

3rd Energy Level
1,997.00 kJ/mol   
99+
Not Available   

4th Energy Level
3,242.00 kJ/mol   
99+
Not Available   

Electrochemical Equivalent
1.77 g/amp-hr   
39
1.14 g/amp-hr   
99+

Electron Work Function
Not Available   
4.55 eV   
13

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

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