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Chemical Properties of Indium and Neptunium


Chemical Properties of Neptunium and Indium


Chemical Properties

Chemical Formula
In   
Np   

Isotopes
  
  

Known Isotopes
35   
4
20   
19

Electronegativity
  
  

Pauling Electronegativity
1.78   
16
1.36   
29

Sanderson Electronegativity
2.14   
8
Not Available   

Allred Rochow Electronegativity
1.49   
13
1.22   
26

Mulliken-Jaffe Electronegativity
1.76   
10
Not Available   

Allen Electronegativity
1.66   
18
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.22   
38
2.64   
25

Ionization Energies
  
  

1st Energy Level
558.30 kJ/mol   
99+
604.50 kJ/mol   
99+

2nd Energy Level
1,820.70 kJ/mol   
18
1,128.00 kJ/mol   
99+

3rd Energy Level
2,704.00 kJ/mol   
39
1,997.00 kJ/mol   
99+

4th Energy Level
5,210.00 kJ/mol   
17
3,242.00 kJ/mol   
99+

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

Electron Work Function
4.12 eV   
24
Not Available   

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

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