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Chemical Properties of Lawrencium and Neptunium


Chemical Properties of Neptunium and Lawrencium


Chemical Properties

Chemical Formula
Lr   
Np   

Isotopes
  
  

Known Isotopes
10   
28
20   
19

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.36   
29

Allred Rochow Electronegativity
Not Available   
1.22   
26

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.64   
25

Ionization Energies
  
  

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

2nd Energy Level
1,428.00 kJ/mol   
99+
1,128.00 kJ/mol   
99+

3rd Energy Level
2,228.00 kJ/mol   
99+
1,997.00 kJ/mol   
99+

4th Energy Level
4,910.00 kJ/mol   
21
3,242.00 kJ/mol   
99+

Electrochemical Equivalent
3.23 g/amp-hr   
11
1.77 g/amp-hr   
39

Electron Work Function
Not Available   
Not Available   

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

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