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Chemical Properties of Protactinium and Rubidium


Chemical Properties of Rubidium and Protactinium


Chemical Properties

Chemical Formula
Pa   
Rb   

Isotopes
  
  

Known Isotopes
27   
12
29   
10

Electronegativity
  
  

Pauling Electronegativity
1.50   
27
0.82   
99+

Sanderson Electronegativity
Not Available   
0.31   
32

Allred Rochow Electronegativity
1.14   
28
0.89   
40

Mulliken-Jaffe Electronegativity
Not Available   
0.69   
24

Allen Electronegativity
Not Available   
0.71   
99+

Electropositivity
  
  

Pauling Electropositivity
2.50   
27
3.18   
3

Ionization Energies
  
  

1st Energy Level
568.00 kJ/mol   
99+
403.00 kJ/mol   
99+

2nd Energy Level
1,128.00 kJ/mol   
99+
2,633.00 kJ/mol   
6

3rd Energy Level
1,814.00 kJ/mol   
99+
3,860.00 kJ/mol   
11

4th Energy Level
2,991.00 kJ/mol   
99+
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
1.72 g/amp-hr   
99+
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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