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Chemical Properties of Rubidium and Cesium

Rubidium
Cesium
Chemical Properties of Cesium and Rubidium


Chemical Properties
Chemical Formula
Rb   
Cs   
Isotopes
  
  
Known Isotopes
29   
10
36   
3
Electronegativity
  
  
Pauling Electronegativity
0.82   
99+
0.79   
99+
Sanderson Electronegativity
0.31   
32
0.22   
33
Allred Rochow Electronegativity
0.89   
40
0.86   
99+
Mulliken-Jaffe Electronegativity
0.69   
24
0.62   
26
Allen Electronegativity
0.71   
99+
0.66   
99+
Electropositivity
  
  
Pauling Electropositivity
3.18   
3
3.21   
2
Ionization Energies
  
  
1st Energy Level
403.00 kJ/mol   
99+
375.70 kJ/mol   
99+
2nd Energy Level
2,633.00 kJ/mol   
6
2,234.30 kJ/mol   
8
3rd Energy Level
3,860.00 kJ/mol   
11
3,400.00 kJ/mol   
16
4th Energy Level
5,080.00 kJ/mol   
18
Not Available   
5th Energy Level
6,850.00 kJ/mol   
19
Not Available   
6th Energy Level
8,140.00 kJ/mol   
20
Not Available   
7th Energy level
9,570.00 kJ/mol   
20
Not Available   
8th Energy Level
13,120.00 kJ/mol   
17
Not Available   
9th Energy Level
14,500.00 kJ/mol   
18
Not Available   
10th Energy Level
26,740.00 kJ/mol   
6
Not Available   
Electrochemical Equivalent
3.19 g/amp-hr   
14
4.96 g/amp-hr   
3
Electron Work Function
2.16 eV   
99+
2.14 eV   
99+
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility   
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