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Chemical Properties of Tantalum and Nobelium


Chemical Properties of Nobelium and Tantalum


Chemical Properties

Chemical Formula
Ta   
No   

Isotopes
  
  

Known Isotopes
31   
8
13   
26

Electronegativity
  
  

Pauling Electronegativity
1.50   
27
1.30   
32

Allred Rochow Electronegativity
1.33   
22
1.20   
27

Allen Electronegativity
1.34   
33
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.50   
27
2.70   
22

Ionization Energies
  
  

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

2nd Energy Level
1,500.00 kJ/mol   
40
1,254.00 kJ/mol   
99+

3rd Energy Level
Not Available   
2,643.00 kJ/mol   
99+

4th Energy Level
Not Available   
3,956.00 kJ/mol   
39

Electrochemical Equivalent
1.35 g/amp-hr   
99+
4.83 g/amp-hr   
4

Electron Work Function
4.25 eV   
21
Not Available   

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

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