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Chemical Properties of Samarium and Magnesium

Samarium
Magnesium
Chemical Properties of Magnesium and Samarium


Chemical Properties
Chemical Formula
Sm   
Mg   
Isotopes
  
  
Known Isotopes
30   
9
15   
24
Electronegativity
  
  
Pauling Electronegativity
1.17   
40
1.31   
31
Sanderson Electronegativity
Not Available   
1.32   
18
Allred Rochow Electronegativity
1.07   
32
1.23   
25
Mulliken-Jaffe Electronegativity
Not Available   
1.37   
16
Allen Electronegativity
Not Available   
1.29   
35
Electropositivity
  
  
Pauling Electropositivity
2.83   
14
2.69   
23
Ionization Energies
  
  
1st Energy Level
544.50 kJ/mol   
99+
737.70 kJ/mol   
24
2nd Energy Level
1,070.00 kJ/mol   
99+
1,450.70 kJ/mol   
99+
3rd Energy Level
2,260.00 kJ/mol   
99+
7,732.70 kJ/mol   
5
4th Energy Level
3,990.00 kJ/mol   
37
10,542.50 kJ/mol   
4
5th Energy Level
Not Available   
13,630.00 kJ/mol   
3
6th Energy Level
Not Available   
18,020.00 kJ/mol   
3
7th Energy level
Not Available   
21,711.00 kJ/mol   
3
8th Energy Level
Not Available   
25,661.00 kJ/mol   
3
9th Energy Level
Not Available   
31,653.00 kJ/mol   
3
10th Energy Level
Not Available   
35,458.00 kJ/mol   
5
11th Energy Level
Not Available   
169,988.00 kJ/mol   
1
12th Energy Level
Not Available   
189,368.00 kJ/mol   
1
Electrochemical Equivalent
1.87 g/amp-hr   
34
0.45 g/amp-hr   
99+
Electron Work Function
2.70 eV   
99+
3.66 eV   
29
Other Chemical Properties
Ionization, Radioactive Isotopes   
Corrosion, Highly Inflammable, Ionization, Solubility   
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