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Chemical Properties of Berkelium and Erbium

Berkelium
Erbium
Chemical Properties of Erbium and Berkelium


Chemical Properties
Chemical Formula
Bk   
Er   
Isotopes
  
  
Known Isotopes
14   
25
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.24   
36
Allred Rochow Electronegativity
1.20   
27
1.11   
29
Allen Electronegativity
2.70   
1
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
2.76   
18
Ionization Energies
  
  
1st Energy Level
601.00 kJ/mol   
99+
589.30 kJ/mol   
99+
2nd Energy Level
1,186.00 kJ/mol   
99+
1,150.00 kJ/mol   
99+
3rd Energy Level
2,152.00 kJ/mol   
99+
2,194.00 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
2.08 g/amp-hr   
28
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   
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