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Chemical Properties of Radium and Aluminium

Radium
Aluminium
Chemical Properties of Aluminium and Radium


Chemical Properties
Chemical Formula
Ra   
Al   
Isotopes
  
  
Known Isotopes
33   
6
11   
27
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
1.61   
22
Sanderson Electronegativity
Not Available   
1.71   
13
Allred Rochow Electronegativity
0.97   
38
1.47   
14
Mulliken-Jaffe Electronegativity
0.92   
20
1.83   
8
Allen Electronegativity
0.89   
99+
1.61   
20
Electropositivity
  
  
Pauling Electropositivity
3.10   
5
2.39   
32
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol   
99+
577.50 kJ/mol   
99+
2nd Energy Level
979.00 kJ/mol   
99+
1,816.70 kJ/mol   
19
3rd Energy Level
Not Available   
2,744.80 kJ/mol   
38
4th Energy Level
Not Available   
11,577.00 kJ/mol   
3
5th Energy Level
Not Available   
14,842.00 kJ/mol   
2
6th Energy Level
Not Available   
18,379.00 kJ/mol   
2
7th Energy level
Not Available   
23,326.00 kJ/mol   
2
8th Energy Level
Not Available   
27,465.00 kJ/mol   
2
9th Energy Level
Not Available   
31,853.00 kJ/mol   
2
10th Energy Level
Not Available   
38,473.00 kJ/mol   
4
11th Energy Level
Not Available   
42,647.00 kJ/mol   
5
Electrochemical Equivalent
4.22 g/amp-hr   
6
0.34 g/amp-hr   
99+
Electron Work Function
Not Available   
4.28 eV   
19
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Ionization, Radioactive Isotopes   
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