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Chemical Properties of Actinium and Lawrencium

Actinium
Lawrencium
Chemical Properties of Lawrencium and Actinium


Chemical Properties
Chemical Formula
Ac   
Lr   
Isotopes
  
  
Known Isotopes
29   
10
10   
28
Electronegativity
  
  
Pauling Electronegativity
1.10   
99+
Not Available   
Allred Rochow Electronegativity
1.00   
36
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.90   
10
Not Available   
Ionization Energies
  
  
1st Energy Level
499.00 kJ/mol   
99+
470.00 kJ/mol   
99+
2nd Energy Level
1,170.00 kJ/mol   
99+
1,428.00 kJ/mol   
99+
3rd Energy Level
1,900.00 kJ/mol   
99+
2,228.00 kJ/mol   
99+
4th Energy Level
4,700.00 kJ/mol   
23
4,910.00 kJ/mol   
21
Electrochemical Equivalent
2.82 g/amp-hr   
18
3.23 g/amp-hr   
11
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes   
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