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Chemical Properties of Rhenium and Fermium

Rhenium
Fermium
Chemical Properties of Fermium and Rhenium


Chemical Properties
Chemical Formula
Re   
Fm   
Isotopes
  
  
Known Isotopes
33   
6
18   
21
Electronegativity
  
  
Pauling Electronegativity
1.90   
11
1.30   
32
Allred Rochow Electronegativity
1.46   
15
1.20   
27
Allen Electronegativity
1.60   
21
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.10   
99+
2.70   
22
Ionization Energies
  
  
1st Energy Level
760.00 kJ/mol   
20
627.00 kJ/mol   
99+
2nd Energy Level
1,260.00 kJ/mol   
99+
1,225.00 kJ/mol   
99+
3rd Energy Level
2,510.00 kJ/mol   
99+
2,363.00 kJ/mol   
99+
4th Energy Level
3,640.00 kJ/mol   
99+
3,792.00 kJ/mol   
99+
Electrochemical Equivalent
0.99 g/amp-hr   
99+
3.20 g/amp-hr   
13
Electron Work Function
4.96 eV   
7
Not Available   
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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