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Chemical Properties of Fermium and Rhenium


Chemical Properties of Rhenium and Fermium


Chemical Properties

Chemical Formula
Fm   
Re   

Isotopes
  
  

Known Isotopes
18   
21
33   
6

Electronegativity
  
  

Pauling Electronegativity
1.30   
32
1.90   
11

Allred Rochow Electronegativity
1.20   
27
1.46   
15

Allen Electronegativity
Not Available   
1.60   
21

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
2.10   
99+

Ionization Energies
  
  

1st Energy Level
627.00 kJ/mol   
99+
760.00 kJ/mol   
20

2nd Energy Level
1,225.00 kJ/mol   
99+
1,260.00 kJ/mol   
99+

3rd Energy Level
2,363.00 kJ/mol   
99+
2,510.00 kJ/mol   
99+

4th Energy Level
3,792.00 kJ/mol   
99+
3,640.00 kJ/mol   
99+

Electrochemical Equivalent
3.20 g/amp-hr   
13
0.99 g/amp-hr   
99+

Electron Work Function
Not Available   
4.96 eV   
7

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

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