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Chemical Properties of Praseodymium and Sodium

Praseodymium
Sodium
Chemical Properties of Sodium and Praseodymium


Chemical Properties
Chemical Formula
Pr   
Na   
Isotopes
  
  
Known Isotopes
31   
8
17   
22
Electronegativity
  
  
Pauling Electronegativity
1.13   
99+
0.93   
99+
Sanderson Electronegativity
Not Available   
0.56   
30
Allred Rochow Electronegativity
1.07   
32
1.01   
35
Mulliken-Jaffe Electronegativity
Not Available   
0.91   
21
Allen Electronegativity
Not Available   
0.87   
99+
Electropositivity
  
  
Pauling Electropositivity
2.87   
12
3.07   
6
Ionization Energies
  
  
1st Energy Level
527.00 kJ/mol   
99+
495.80 kJ/mol   
99+
2nd Energy Level
1,020.00 kJ/mol   
99+
4,562.00 kJ/mol   
4
3rd Energy Level
2,086.00 kJ/mol   
99+
6,910.30 kJ/mol   
6
4th Energy Level
3,761.00 kJ/mol   
99+
9,543.00 kJ/mol   
5
5th Energy Level
5,551.00 kJ/mol   
29
13,354.00 kJ/mol   
4
6th Energy Level
Not Available   
16,613.00 kJ/mol   
4
7th Energy level
Not Available   
20,117.00 kJ/mol   
4
8th Energy Level
Not Available   
25,496.00 kJ/mol   
4
9th Energy Level
Not Available   
28,932.00 kJ/mol   
4
10th Energy Level
Not Available   
141,362.00 kJ/mol   
2
11th Energy Level
Not Available   
159,076.00 kJ/mol   
2
Electrochemical Equivalent
1.75 g/amp-hr   
40
0.86 g/amp-hr   
99+
Electron Work Function
2.70 eV   
99+
2.75 eV   
40
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
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