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Chemical Properties of Technetium and Erbium


Chemical Properties of Erbium and Technetium


Chemical Properties

Chemical Formula
Tc   
Er   

Isotopes
  
  

Known Isotopes
18   
21
31   
8

Electronegativity
  
  

Pauling Electronegativity
1.90   
11
1.24   
36

Allred Rochow Electronegativity
1.36   
20
1.11   
29

Allen Electronegativity
1.51   
28
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.10   
99+
2.76   
18

Ionization Energies
  
  

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

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

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

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

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

Electron Work Function
Not Available   
Not Available   

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

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