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Chemical Properties of Magnesium and Samarium


Chemical Properties of Samarium and Magnesium


Chemical Properties

Chemical Formula
Mg   
Sm   

Isotopes
  
  

Known Isotopes
15   
24
30   
9

Electronegativity
  
  

Pauling Electronegativity
1.31   
31
1.17   
40

Sanderson Electronegativity
1.32   
18
Not Available   

Allred Rochow Electronegativity
1.23   
25
1.07   
32

Mulliken-Jaffe Electronegativity
1.37   
16
Not Available   

Allen Electronegativity
1.29   
35
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.69   
23
2.83   
14

Ionization Energies
  
  

1st Energy Level
737.70 kJ/mol   
24
544.50 kJ/mol   
99+

2nd Energy Level
1,450.70 kJ/mol   
99+
1,070.00 kJ/mol   
99+

3rd Energy Level
7,732.70 kJ/mol   
5
2,260.00 kJ/mol   
99+

4th Energy Level
10,542.50 kJ/mol   
4
3,990.00 kJ/mol   
37

5th Energy Level
13,630.00 kJ/mol   
3
Not Available   

6th Energy Level
18,020.00 kJ/mol   
3
Not Available   

7th Energy level
21,711.00 kJ/mol   
3
Not Available   

8th Energy Level
25,661.00 kJ/mol   
3
Not Available   

9th Energy Level
31,653.00 kJ/mol   
3
Not Available   

10th Energy Level
35,458.00 kJ/mol   
5
Not Available   

11th Energy Level
169,988.00 kJ/mol   
1
Not Available   

12th Energy Level
189,368.00 kJ/mol   
1
Not Available   

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

Electron Work Function
3.66 eV   
29
2.70 eV   
99+

Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility   
Ionization, Radioactive Isotopes   

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