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Chemical Properties of Praseodymium and Potassium


Chemical Properties of Potassium and Praseodymium


Chemical Properties

Chemical Formula
Pr   
K   

Isotopes
  
  

Known Isotopes
31   
8
20   
19

Electronegativity
  
  

Pauling Electronegativity
1.13   
99+
0.82   
99+

Sanderson Electronegativity
Not Available   
0.45   
31

Allred Rochow Electronegativity
1.07   
32
0.91   
39

Mulliken-Jaffe Electronegativity
Not Available   
0.73   
23

Allen Electronegativity
Not Available   
0.73   
99+

Electropositivity
  
  

Pauling Electropositivity
2.87   
12
3.18   
3

Ionization Energies
  
  

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

2nd Energy Level
1,020.00 kJ/mol   
99+
3,052.00 kJ/mol   
5

3rd Energy Level
2,086.00 kJ/mol   
99+
4,420.00 kJ/mol   
8

4th Energy Level
3,761.00 kJ/mol   
99+
5,877.00 kJ/mol   
9

5th Energy Level
5,551.00 kJ/mol   
29
7,975.00 kJ/mol   
8

6th Energy Level
Not Available   
9,590.00 kJ/mol   
13

7th Energy level
Not Available   
11,343.00 kJ/mol   
17

8th Energy Level
Not Available   
14,944.00 kJ/mol   
13

9th Energy Level
Not Available   
16,963.70 kJ/mol   
15

10th Energy Level
Not Available   
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
1.75 g/amp-hr   
40
1.46 g/amp-hr   
99+

Electron Work Function
2.70 eV   
99+
2.30 eV   
99+

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

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