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Chemical Properties of Tantalum and Berkelium

Tantalum
Berkelium
Chemical Properties of Berkelium and Tantalum


Chemical Properties
Chemical Formula
Ta   
Bk   
Isotopes
  
  
Known Isotopes
31   
8
14   
25
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
1.30   
32
Allred Rochow Electronegativity
1.33   
22
1.20   
27
Allen Electronegativity
1.34   
33
2.70   
1
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
2.70   
22
Ionization Energies
  
  
1st Energy Level
761.00 kJ/mol   
18
601.00 kJ/mol   
99+
2nd Energy Level
1,500.00 kJ/mol   
40
1,186.00 kJ/mol   
99+
3rd Energy Level
Not Available   
2,152.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,434.00 kJ/mol   
99+
Electrochemical Equivalent
1.35 g/amp-hr   
99+
3.07 g/amp-hr   
16
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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