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Chemical Properties of Berkelium and Tantalum

Berkelium
Tantalum
Chemical Properties of Tantalum and Berkelium


Chemical Properties
Chemical Formula
Bk   
Ta   
Isotopes
  
  
Known Isotopes
14   
25
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.50   
27
Allred Rochow Electronegativity
1.20   
27
1.33   
22
Allen Electronegativity
2.70   
1
1.34   
33
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
2.50   
27
Ionization Energies
  
  
1st Energy Level
601.00 kJ/mol   
99+
761.00 kJ/mol   
18
2nd Energy Level
1,186.00 kJ/mol   
99+
1,500.00 kJ/mol   
40
3rd Energy Level
2,152.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,434.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
3.07 g/amp-hr   
16
1.35 g/amp-hr   
99+
Electron Work Function
Not Available   
4.25 eV   
21
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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