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Chemical Properties of Promethium and Rubidium

Promethium
Rubidium
Chemical Properties of Rubidium and Promethium


Chemical Properties
Chemical Formula
Pm   
Rb   
Isotopes
  
  
Known Isotopes
27   
12
29   
10
Electronegativity
  
  
Pauling Electronegativity
Not Available   
0.82   
99+
Sanderson Electronegativity
Not Available   
0.31   
32
Allred Rochow Electronegativity
1.07   
32
0.89   
40
Mulliken-Jaffe Electronegativity
Not Available   
0.69   
24
Allen Electronegativity
Not Available   
0.71   
99+
Electropositivity
  
  
Pauling Electropositivity
Not Available   
3.18   
3
Ionization Energies
  
  
1st Energy Level
540.00 kJ/mol   
99+
403.00 kJ/mol   
99+
2nd Energy Level
1,050.00 kJ/mol   
99+
2,633.00 kJ/mol   
6
3rd Energy Level
2,150.00 kJ/mol   
99+
3,860.00 kJ/mol   
11
4th Energy Level
3,970.00 kJ/mol   
38
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
1.80 g/amp-hr   
36
3.19 g/amp-hr   
14
Electron Work Function
Not Available   
2.16 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
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