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Chemical Properties of Sodium and Radium

Sodium
Radium
Chemical Properties of Radium and Sodium


Chemical Properties
Chemical Formula
Na   
Ra   
Isotopes
  
  
Known Isotopes
17   
22
33   
6
Electronegativity
  
  
Pauling Electronegativity
0.93   
99+
0.90   
99+
Sanderson Electronegativity
0.56   
30
Not Available   
Allred Rochow Electronegativity
1.01   
35
0.97   
38
Mulliken-Jaffe Electronegativity
0.91   
21
0.92   
20
Allen Electronegativity
0.87   
99+
0.89   
99+
Electropositivity
  
  
Pauling Electropositivity
3.07   
6
3.10   
5
Ionization Energies
  
  
1st Energy Level
495.80 kJ/mol   
99+
509.30 kJ/mol   
99+
2nd Energy Level
4,562.00 kJ/mol   
4
979.00 kJ/mol   
99+
3rd Energy Level
6,910.30 kJ/mol   
6
Not Available   
4th Energy Level
9,543.00 kJ/mol   
5
Not Available   
5th Energy Level
13,354.00 kJ/mol   
4
Not Available   
6th Energy Level
16,613.00 kJ/mol   
4
Not Available   
7th Energy level
20,117.00 kJ/mol   
4
Not Available   
8th Energy Level
25,496.00 kJ/mol   
4
Not Available   
9th Energy Level
28,932.00 kJ/mol   
4
Not Available   
10th Energy Level
141,362.00 kJ/mol   
2
Not Available   
11th Energy Level
159,076.00 kJ/mol   
2
Not Available   
Electrochemical Equivalent
0.86 g/amp-hr   
99+
4.22 g/amp-hr   
6
Electron Work Function
2.75 eV   
40
Not Available   
Other Chemical Properties
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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