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Chemical Properties of Francium and Thulium


Chemical Properties of Thulium and Francium


Chemical Properties

Chemical Formula
Fr   
Tm   

Isotopes
  
  

Known Isotopes
33   
6
32   
7

Electronegativity
  
  

Pauling Electronegativity
0.70   
99+
1.25   
35

Allred Rochow Electronegativity
0.86   
99+
1.11   
29

Mulliken-Jaffe Electronegativity
0.68   
25
Not Available   

Allen Electronegativity
0.67   
99+
Not Available   

Electropositivity
  
  

Pauling Electropositivity
3.30   
1
2.75   
19

Ionization Energies
  
  

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

2nd Energy Level
Not Available   
1,160.00 kJ/mol   
99+

3rd Energy Level
Not Available   
2,285.00 kJ/mol   
99+

4th Energy Level
Not Available   
4,120.00 kJ/mol   
33

Electrochemical Equivalent
8.32 g/amp-hr   
1
2.10 g/amp-hr   
26

Electron Work Function
Not Available   
Not Available   

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

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