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Chemical Properties of Berkelium and Thulium


Chemical Properties of Thulium and Berkelium


Chemical Properties

Chemical Formula
Bk   
Tm   

Isotopes
  
  

Known Isotopes
14   
25
32   
7

Electronegativity
  
  

Pauling Electronegativity
1.30   
32
1.25   
35

Allred Rochow Electronegativity
1.20   
27
1.11   
29

Allen Electronegativity
2.70   
1
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
2.75   
19

Ionization Energies
  
  

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

2nd Energy Level
1,186.00 kJ/mol   
99+
1,160.00 kJ/mol   
99+

3rd Energy Level
2,152.00 kJ/mol   
99+
2,285.00 kJ/mol   
99+

4th Energy Level
3,434.00 kJ/mol   
99+
4,120.00 kJ/mol   
33

Electrochemical Equivalent
3.07 g/amp-hr   
16
2.10 g/amp-hr   
26

Electron Work Function
Not Available   
Not Available   

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

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