Chemical Properties of Aluminium and Protactinium
Chemical Formula
Al
  
Pa
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
  
Allen Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
577.50 kJ/mol
  
99+
568.00 kJ/mol
  
99+
2nd Energy Level
1,816.70 kJ/mol
  
19
1,128.00 kJ/mol
  
99+
3rd Energy Level
2,744.80 kJ/mol
  
38
1,814.00 kJ/mol
  
99+
4th Energy Level
11,577.00 kJ/mol
  
3
2,991.00 kJ/mol
  
99+
5th Energy Level
14,842.00 kJ/mol
  
2
Not Available
  
6th Energy Level
18,379.00 kJ/mol
  
2
Not Available
  
7th Energy level
23,326.00 kJ/mol
  
2
Not Available
  
8th Energy Level
27,465.00 kJ/mol
  
2
Not Available
  
9th Energy Level
31,853.00 kJ/mol
  
2
Not Available
  
10th Energy Level
38,473.00 kJ/mol
  
4
Not Available
  
11th Energy Level
42,647.00 kJ/mol
  
5
Not Available
  
Electrochemical Equivalent
0.34 g/amp-hr
  
99+
1.72 g/amp-hr
  
99+
Electron Work Function
Not Available
  
Other Chemical Properties
Chemical Stability, Ionization, Radioactive Isotopes
  
Ionization, Radioactive Isotopes, Radioactivity