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Chemical Properties of Protactinium and Magnesium


Chemical Properties of Magnesium and Protactinium


Chemical Properties

Chemical Formula
Pa   
Mg   

Isotopes
  
  

Known Isotopes
27   
12
15   
24

Electronegativity
  
  

Pauling Electronegativity
1.50   
27
1.31   
31

Sanderson Electronegativity
Not Available   
1.32   
18

Allred Rochow Electronegativity
1.14   
28
1.23   
25

Mulliken-Jaffe Electronegativity
Not Available   
1.37   
16

Allen Electronegativity
Not Available   
1.29   
35

Electropositivity
  
  

Pauling Electropositivity
2.50   
27
2.69   
23

Ionization Energies
  
  

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

2nd Energy Level
1,128.00 kJ/mol   
99+
1,450.70 kJ/mol   
99+

3rd Energy Level
1,814.00 kJ/mol   
99+
7,732.70 kJ/mol   
5

4th Energy Level
2,991.00 kJ/mol   
99+
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
1.72 g/amp-hr   
99+
0.45 g/amp-hr   
99+

Electron Work Function
Not Available   
3.66 eV   
29

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

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