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Chemical Properties of Thulium and Uranium


Chemical Properties of Uranium and Thulium


Chemical Properties

Chemical Formula
Tm   
U   

Isotopes
  
  

Known Isotopes
32   
7
25   
14

Electronegativity
  
  

Pauling Electronegativity
1.25   
35
1.38   
28

Allred Rochow Electronegativity
1.11   
29
1.22   
26

Electropositivity
  
  

Pauling Electropositivity
2.75   
19
2.62   
26

Ionization Energies
  
  

1st Energy Level
596.70 kJ/mol   
99+
597.60 kJ/mol   
99+

2nd Energy Level
1,160.00 kJ/mol   
99+
1,420.00 kJ/mol   
99+

3rd Energy Level
2,285.00 kJ/mol   
99+
1,900.00 kJ/mol   
99+

4th Energy Level
4,120.00 kJ/mol   
33
3,145.00 kJ/mol   
99+

Electrochemical Equivalent
2.10 g/amp-hr   
26
1.48 g/amp-hr   
99+

Electron Work Function
Not Available   
3.63 eV   
30

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

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