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Chemical Properties of Lanthanum and Curium


Chemical Properties of Curium and Lanthanum


Chemical Properties

Chemical Formula
La   
Cm   

Isotopes
  
  

Known Isotopes
31   
8
15   
24

Electronegativity
  
  

Pauling Electronegativity
1.10   
99+
1.30   
32

Allred Rochow Electronegativity
1.08   
31
1.20   
27

Electropositivity
  
  

Pauling Electropositivity
2.90   
10
2.70   
22

Ionization Energies
  
  

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

2nd Energy Level
1,067.00 kJ/mol   
99+
1,196.00 kJ/mol   
99+

3rd Energy Level
1,850.30 kJ/mol   
99+
2,026.00 kJ/mol   
99+

4th Energy Level
4,819.00 kJ/mol   
22
3,550.00 kJ/mol   
99+

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

Electrochemical Equivalent
1.73 g/amp-hr   
99+
3.07 g/amp-hr   
16

Electron Work Function
3.50 eV   
31
Not Available   

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

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