Chemical Properties of Lanthanum and Thallium
Chemical Formula
La
  
Tl
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
  
Allen Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
538.10 kJ/mol
  
99+
589.40 kJ/mol
  
99+
2nd Energy Level
1,067.00 kJ/mol
  
99+
1,971.00 kJ/mol
  
14
3rd Energy Level
1,850.30 kJ/mol
  
99+
2,878.00 kJ/mol
  
32
4th Energy Level
4,819.00 kJ/mol
  
22
Not Available
  
5th Energy Level
5,940.00 kJ/mol
  
25
Not Available
  
Electrochemical Equivalent
1.73 g/amp-hr
  
99+
7.63 g/amp-hr
  
2
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
  
Corrosion, Ionization, Radioactive Isotopes, Solubility