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Chemical Properties of Sodium and Samarium


Chemical Properties of Samarium and Sodium


Chemical Properties

Chemical Formula
Na   
Sm   

Isotopes
  
  

Known Isotopes
17   
22
30   
9

Electronegativity
  
  

Pauling Electronegativity
0.93   
99+
1.17   
40

Sanderson Electronegativity
0.56   
30
Not Available   

Allred Rochow Electronegativity
1.01   
35
1.07   
32

Mulliken-Jaffe Electronegativity
0.91   
21
Not Available   

Allen Electronegativity
0.87   
99+
Not Available   

Electropositivity
  
  

Pauling Electropositivity
3.07   
6
2.83   
14

Ionization Energies
  
  

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

2nd Energy Level
4,562.00 kJ/mol   
4
1,070.00 kJ/mol   
99+

3rd Energy Level
6,910.30 kJ/mol   
6
2,260.00 kJ/mol   
99+

4th Energy Level
9,543.00 kJ/mol   
5
3,990.00 kJ/mol   
37

5th Energy Level
13,354.00 kJ/mol   
4
Not Available   

6th Energy Level
16,613.00 kJ/mol   
4
Not Available   

7th Energy level
20,117.00 kJ/mol   
4
Not Available   

8th Energy Level
25,496.00 kJ/mol   
4
Not Available   

9th Energy Level
28,932.00 kJ/mol   
4
Not Available   

10th Energy Level
141,362.00 kJ/mol   
2
Not Available   

11th Energy Level
159,076.00 kJ/mol   
2
Not Available   

Electrochemical Equivalent
0.86 g/amp-hr   
99+
1.87 g/amp-hr   
34

Electron Work Function
2.75 eV   
40
2.70 eV   
99+

Other Chemical Properties
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
Ionization, Radioactive Isotopes   

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