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Chemical Properties of Erbium and Technetium


Chemical Properties of Technetium and Erbium


Chemical Properties

Chemical Formula
Er   
Tc   

Isotopes
  
  

Known Isotopes
31   
8
18   
21

Electronegativity
  
  

Pauling Electronegativity
1.24   
36
1.90   
11

Allred Rochow Electronegativity
1.11   
29
1.36   
20

Allen Electronegativity
Not Available   
1.51   
28

Electropositivity
  
  

Pauling Electropositivity
2.76   
18
2.10   
99+

Ionization Energies
  
  

1st Energy Level
589.30 kJ/mol   
99+
702.00 kJ/mol   
36

2nd Energy Level
1,150.00 kJ/mol   
99+
1,470.00 kJ/mol   
99+

3rd Energy Level
2,194.00 kJ/mol   
99+
2,850.00 kJ/mol   
33

4th Energy Level
4,120.00 kJ/mol   
33
Not Available   

Electrochemical Equivalent
2.08 g/amp-hr   
28
0.52 g/amp-hr   
99+

Electron Work Function
Not Available   
Not Available   

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

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