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Chemical Properties of Francium and Tantalum


Chemical Properties of Tantalum and Francium


Chemical Properties

Chemical Formula
Fr   
Ta   

Isotopes
  
  

Known Isotopes
33   
6
31   
8

Electronegativity
  
  

Pauling Electronegativity
0.70   
99+
1.50   
27

Allred Rochow Electronegativity
0.86   
99+
1.33   
22

Mulliken-Jaffe Electronegativity
0.68   
25
Not Available   

Allen Electronegativity
0.67   
99+
1.34   
33

Electropositivity
  
  

Pauling Electropositivity
3.30   
1
2.50   
27

Ionization Energies
  
  

1st Energy Level
380.00 kJ/mol   
99+
761.00 kJ/mol   
18

2nd Energy Level
Not Available   
1,500.00 kJ/mol   
40

Electrochemical Equivalent
8.32 g/amp-hr   
1
1.35 g/amp-hr   
99+

Electron Work Function
Not Available   
4.25 eV   
21

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

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