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Chemical Properties of Radium and Rubidium

Radium
Rubidium
Chemical Properties of Rubidium and Radium


Chemical Properties
Chemical Formula
Ra   
Rb   
Isotopes
  
  
Known Isotopes
33   
6
29   
10
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
0.82   
99+
Sanderson Electronegativity
Not Available   
0.31   
32
Allred Rochow Electronegativity
0.97   
38
0.89   
40
Mulliken-Jaffe Electronegativity
0.92   
20
0.69   
24
Allen Electronegativity
0.89   
99+
0.71   
99+
Electropositivity
  
  
Pauling Electropositivity
3.10   
5
3.18   
3
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol   
99+
403.00 kJ/mol   
99+
2nd Energy Level
979.00 kJ/mol   
99+
2,633.00 kJ/mol   
6
3rd Energy Level
Not Available   
3,860.00 kJ/mol   
11
4th Energy Level
Not Available   
5,080.00 kJ/mol   
18
5th Energy Level
Not Available   
6,850.00 kJ/mol   
19
6th Energy Level
Not Available   
8,140.00 kJ/mol   
20
7th Energy level
Not Available   
9,570.00 kJ/mol   
20
8th Energy Level
Not Available   
13,120.00 kJ/mol   
17
9th Energy Level
Not Available   
14,500.00 kJ/mol   
18
10th Energy Level
Not Available   
26,740.00 kJ/mol   
6
Electrochemical Equivalent
4.22 g/amp-hr   
6
3.19 g/amp-hr   
14
Electron Work Function
Not Available   
2.16 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
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