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Chemical Properties of Thorium and Francium


Chemical Properties of Francium and Thorium


Chemical Properties

Chemical Formula
Th   
Fr   

Isotopes
  
  

Known Isotopes
28   
11
33   
6

Electronegativity
  
  

Pauling Electronegativity
1.30   
32
0.70   
99+

Allred Rochow Electronegativity
1.11   
29
0.86   
99+

Mulliken-Jaffe Electronegativity
Not Available   
0.68   
25

Allen Electronegativity
Not Available   
0.67   
99+

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
3.30   
1

Ionization Energies
  
  

1st Energy Level
587.00 kJ/mol   
99+
380.00 kJ/mol   
99+

2nd Energy Level
1,110.00 kJ/mol   
99+
Not Available   

3rd Energy Level
1,978.00 kJ/mol   
99+
Not Available   

4th Energy Level
2,780.00 kJ/mol   
99+
Not Available   

Electrochemical Equivalent
2.16 g/amp-hr   
24
8.32 g/amp-hr   
1

Electron Work Function
3.41 eV   
32
Not Available   

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

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