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Chemical Properties of Holmium and Rhenium

Holmium
Rhenium
Chemical Properties of Rhenium and Holmium


Chemical Properties
Chemical Formula
Ho   
Re   
Isotopes
  
  
Known Isotopes
34   
5
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.23   
37
1.90   
11
Allred Rochow Electronegativity
1.10   
30
1.46   
15
Allen Electronegativity
Not Available   
1.60   
21
Electropositivity
  
  
Pauling Electropositivity
2.77   
17
2.10   
99+
Ionization Energies
  
  
1st Energy Level
581.00 kJ/mol   
99+
760.00 kJ/mol   
20
2nd Energy Level
1,140.00 kJ/mol   
99+
1,260.00 kJ/mol   
99+
3rd Energy Level
2,204.00 kJ/mol   
99+
2,510.00 kJ/mol   
99+
4th Energy Level
4,100.00 kJ/mol   
34
3,640.00 kJ/mol   
99+
Electrochemical Equivalent
2.02 g/amp-hr   
29
0.99 g/amp-hr   
99+
Electron Work Function
Not Available   
4.96 eV   
7
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Solubility   
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