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Chemical Properties of Lawrencium and Samarium


Chemical Properties of Samarium and Lawrencium


Chemical Properties

Chemical Formula
Lr   
Sm   

Isotopes
  
  

Known Isotopes
10   
28
30   
9

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.17   
40

Allred Rochow Electronegativity
Not Available   
1.07   
32

Electropositivity
  
  

Pauling Electropositivity
Not Available   
2.83   
14

Ionization Energies
  
  

1st Energy Level
470.00 kJ/mol   
99+
544.50 kJ/mol   
99+

2nd Energy Level
1,428.00 kJ/mol   
99+
1,070.00 kJ/mol   
99+

3rd Energy Level
2,228.00 kJ/mol   
99+
2,260.00 kJ/mol   
99+

4th Energy Level
4,910.00 kJ/mol   
21
3,990.00 kJ/mol   
37

Electrochemical Equivalent
3.23 g/amp-hr   
11
1.87 g/amp-hr   
34

Electron Work Function
Not Available   
2.70 eV   
99+

Other Chemical Properties
Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes   

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