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Chemical Properties of Erbium and Technetium

Erbium
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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