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Chemical Properties of Roentgenium and Lanthanum

Roentgenium
Lanthanum
Chemical Properties of Lanthanum and Roentgenium


Chemical Properties
Chemical Formula
Rg   
La   
Isotopes
  
  
Known Isotopes
1   
34
31   
8
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.10   
99+
Allred Rochow Electronegativity
Not Available   
1.08   
31
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.90   
10
Ionization Energies
  
  
1st Energy Level
1,022.70 kJ/mol   
3
538.10 kJ/mol   
99+
2nd Energy Level
2,074.40 kJ/mol   
10
1,067.00 kJ/mol   
99+
3rd Energy Level
3,077.90 kJ/mol   
24
1,850.30 kJ/mol   
99+
4th Energy Level
4,052.40 kJ/mol   
36
4,819.00 kJ/mol   
22
5th Energy Level
5,306.70 kJ/mol   
31
5,940.00 kJ/mol   
25
Electrochemical Equivalent
Not Available   
1.73 g/amp-hr   
99+
Electron Work Function
Not Available   
3.50 eV   
31
Other Chemical Properties
NA   
Ionization, Radioactive Isotopes, Solubility   
Atomic >>
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