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Chemical Properties of Nobelium and Lanthanum


Chemical Properties of Lanthanum and Nobelium


Chemical Properties

Chemical Formula
No   
La   

Isotopes
  
  

Known Isotopes
13   
26
31   
8

Electronegativity
  
  

Pauling Electronegativity
1.30   
32
1.10   
99+

Allred Rochow Electronegativity
1.20   
27
1.08   
31

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
2.90   
10

Ionization Energies
  
  

1st Energy Level
642.00 kJ/mol   
99+
538.10 kJ/mol   
99+

2nd Energy Level
1,254.00 kJ/mol   
99+
1,067.00 kJ/mol   
99+

3rd Energy Level
2,643.00 kJ/mol   
99+
1,850.30 kJ/mol   
99+

4th Energy Level
3,956.00 kJ/mol   
39
4,819.00 kJ/mol   
22

5th Energy Level
Not Available   
5,940.00 kJ/mol   
25

Electrochemical Equivalent
4.83 g/amp-hr   
4
1.73 g/amp-hr   
99+

Electron Work Function
Not Available   
3.50 eV   
31

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

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