Home
Compare Metals


Chemical Properties of Rubidium and Potassium


Chemical Properties of Potassium and Rubidium


Chemical Properties

Chemical Formula
Rb   
K   

Isotopes
  
  

Known Isotopes
29   
10
20   
19

Electronegativity
  
  

Pauling Electronegativity
0.82   
99+
0.82   
99+

Sanderson Electronegativity
0.31   
32
0.45   
31

Allred Rochow Electronegativity
0.89   
40
0.91   
39

Mulliken-Jaffe Electronegativity
0.69   
24
0.73   
23

Allen Electronegativity
0.71   
99+
0.73   
99+

Electropositivity
  
  

Pauling Electropositivity
3.18   
3
3.18   
3

Ionization Energies
  
  

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

2nd Energy Level
2,633.00 kJ/mol   
6
3,052.00 kJ/mol   
5

3rd Energy Level
3,860.00 kJ/mol   
11
4,420.00 kJ/mol   
8

4th Energy Level
5,080.00 kJ/mol   
18
5,877.00 kJ/mol   
9

5th Energy Level
6,850.00 kJ/mol   
19
7,975.00 kJ/mol   
8

6th Energy Level
8,140.00 kJ/mol   
20
9,590.00 kJ/mol   
13

7th Energy level
9,570.00 kJ/mol   
20
11,343.00 kJ/mol   
17

8th Energy Level
13,120.00 kJ/mol   
17
14,944.00 kJ/mol   
13

9th Energy Level
14,500.00 kJ/mol   
18
16,963.70 kJ/mol   
15

10th Energy Level
26,740.00 kJ/mol   
6
48,610.00 kJ/mol   
3

11th Energy Level
Not Available   
54,490.00 kJ/mol   
4

12th Energy Level
Not Available   
60,730.00 kJ/mol   
4

13th Energy Level
Not Available   
68,950.00 kJ/mol   
4

14th Energy Level
Not Available   
75,900.00 kJ/mol   
5

15th Energy Level
Not Available   
83,080.00 kJ/mol   
6

16th Energy Level
Not Available   
93,400.00 kJ/mol   
7

17th Energy Level
Not Available   
99,710.00 kJ/mol   
8

Electrochemical Equivalent
3.19 g/amp-hr   
14
1.46 g/amp-hr   
99+

Electron Work Function
2.16 eV   
99+
2.30 eV   
99+

Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Flammability, Ionization, Solubility   

Atomic >>
<< Physical

Compare All Metals

All Metals

All Metals


Compare All Metals