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Chemical Properties of Lithium and Protactinium

Lithium
Protactinium
Chemical Properties of Protactinium and Lithium


Chemical Properties
Chemical Formula
Li   
Pa   
Isotopes
  
  
Known Isotopes
8   
30
27   
12
Electronegativity
  
  
Pauling Electronegativity
0.98   
99+
1.50   
27
Sanderson Electronegativity
0.89   
26
Not Available   
Allred Rochow Electronegativity
0.97   
38
1.14   
28
Mulliken-Jaffe Electronegativity
0.97   
19
Not Available   
Allen Electronegativity
0.91   
99+
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.02   
8
2.50   
27
Ionization Energies
  
  
1st Energy Level
520.20 kJ/mol   
99+
568.00 kJ/mol   
99+
2nd Energy Level
7,298.10 kJ/mol   
3
1,128.00 kJ/mol   
99+
3rd Energy Level
11,815.00 kJ/mol   
4
1,814.00 kJ/mol   
99+
4th Energy Level
Not Available   
2,991.00 kJ/mol   
99+
Electrochemical Equivalent
0.26 g/amp-hr   
99+
1.72 g/amp-hr   
99+
Electron Work Function
2.90 eV   
37
Not Available   
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Radioactivity   
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