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Chemical Properties of Mercury and Protactinium

Mercury
Protactinium
Chemical Properties of Protactinium and Mercury


Chemical Properties
Chemical Formula
Hg   
Pa   
Isotopes
  
  
Known Isotopes
34   
5
27   
12
Electronegativity
  
  
Pauling Electronegativity
2.00   
7
1.50   
27
Sanderson Electronegativity
2.20   
7
Not Available   
Allred Rochow Electronegativity
1.44   
17
1.14   
28
Mulliken-Jaffe Electronegativity
1.81   
9
Not Available   
Allen Electronegativity
1.44   
30
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.00   
99+
2.50   
27
Ionization Energies
  
  
1st Energy Level
1,007.10 kJ/mol   
4
568.00 kJ/mol   
99+
2nd Energy Level
1,810.00 kJ/mol   
20
1,128.00 kJ/mol   
99+
3rd Energy Level
3,300.00 kJ/mol   
20
1,814.00 kJ/mol   
99+
4th Energy Level
Not Available   
2,991.00 kJ/mol   
99+
Electrochemical Equivalent
3.74 g/amp-hr   
10
1.72 g/amp-hr   
99+
Electron Work Function
4.49 eV   
15
Not Available   
Other Chemical Properties
Flammability, Ionization, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic >>
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