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Chemical Properties of Actinium and Uranium


Chemical Properties of Uranium and Actinium


Chemical Properties

Chemical Formula
Ac   
U   

Isotopes
  
  

Known Isotopes
29   
10
25   
14

Electronegativity
  
  

Pauling Electronegativity
1.10   
99+
1.38   
28

Allred Rochow Electronegativity
1.00   
36
1.22   
26

Electropositivity
  
  

Pauling Electropositivity
2.90   
10
2.62   
26

Ionization Energies
  
  

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

2nd Energy Level
1,170.00 kJ/mol   
99+
1,420.00 kJ/mol   
99+

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

4th Energy Level
4,700.00 kJ/mol   
23
3,145.00 kJ/mol   
99+

Electrochemical Equivalent
2.82 g/amp-hr   
18
1.48 g/amp-hr   
99+

Electron Work Function
Not Available   
3.63 eV   
30

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

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Actinide Metals

Actinide Metals

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