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Chemical Properties of Sodium and Cesium

Sodium
Cesium
Chemical Properties of Cesium and Sodium


Chemical Properties
Chemical Formula
Na   
Cs   
Isotopes
  
  
Known Isotopes
17   
22
36   
3
Electronegativity
  
  
Pauling Electronegativity
0.93   
99+
0.79   
99+
Sanderson Electronegativity
0.56   
30
0.22   
33
Allred Rochow Electronegativity
1.01   
35
0.86   
99+
Mulliken-Jaffe Electronegativity
0.91   
21
0.62   
26
Allen Electronegativity
0.87   
99+
0.66   
99+
Electropositivity
  
  
Pauling Electropositivity
3.07   
6
3.21   
2
Ionization Energies
  
  
1st Energy Level
495.80 kJ/mol   
99+
375.70 kJ/mol   
99+
2nd Energy Level
4,562.00 kJ/mol   
4
2,234.30 kJ/mol   
8
3rd Energy Level
6,910.30 kJ/mol   
6
3,400.00 kJ/mol   
16
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+
4.96 g/amp-hr   
3
Electron Work Function
2.75 eV   
40
2.14 eV   
99+
Other Chemical Properties
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility   
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