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Chemical Properties of Polonium and Lanthanum

Polonium
Lanthanum
Chemical Properties of Lanthanum and Polonium


Chemical Properties
Chemical Formula
Po   
La   
Isotopes
  
  
Known Isotopes
29   
10
31   
8
Electronegativity
  
  
Pauling Electronegativity
2.00   
7
1.10   
99+
Allred Rochow Electronegativity
1.76   
2
1.08   
31
Mulliken-Jaffe Electronegativity
2.48   
1
Not Available   
Allen Electronegativity
2.19   
2
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.00   
99+
2.90   
10
Ionization Energies
  
  
1st Energy Level
812.10 kJ/mol   
14
538.10 kJ/mol   
99+
2nd Energy Level
Not Available   
1,067.00 kJ/mol   
99+
3rd Energy Level
Not Available   
1,850.30 kJ/mol   
99+
4th Energy Level
Not Available   
4,819.00 kJ/mol   
22
5th Energy Level
Not Available   
5,940.00 kJ/mol   
25
Electrochemical Equivalent
3.90 g/amp-hr   
8
1.73 g/amp-hr   
99+
Electron Work Function
Not Available   
3.50 eV   
31
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   
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