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Chemical Properties of Praseodymium and Strontium

Praseodymium
Strontium
Chemical Properties of Strontium and Praseodymium


Chemical Properties
Chemical Formula
Pr   
Sr   
Isotopes
  
  
Known Isotopes
31   
8
27   
12
Electronegativity
  
  
Pauling Electronegativity
1.13   
99+
0.95   
99+
Sanderson Electronegativity
Not Available   
0.72   
27
Allred Rochow Electronegativity
1.07   
32
0.99   
37
Mulliken-Jaffe Electronegativity
Not Available   
1.00   
18
Allen Electronegativity
Not Available   
0.96   
40
Electropositivity
  
  
Pauling Electropositivity
2.87   
12
3.05   
7
Ionization Energies
  
  
1st Energy Level
527.00 kJ/mol   
99+
549.50 kJ/mol   
99+
2nd Energy Level
1,020.00 kJ/mol   
99+
1,064.20 kJ/mol   
99+
3rd Energy Level
2,086.00 kJ/mol   
99+
4,138.00 kJ/mol   
10
4th Energy Level
3,761.00 kJ/mol   
99+
5,500.00 kJ/mol   
13
5th Energy Level
5,551.00 kJ/mol   
29
6,910.00 kJ/mol   
18
6th Energy Level
Not Available   
8,760.00 kJ/mol   
18
7th Energy level
Not Available   
10,230.00 kJ/mol   
19
8th Energy Level
Not Available   
11,800.00 kJ/mol   
19
9th Energy Level
Not Available   
15,600.00 kJ/mol   
17
10th Energy Level
Not Available   
17,100.00 kJ/mol   
19
11th Energy Level
Not Available   
31,270.00 kJ/mol   
6
Electrochemical Equivalent
1.75 g/amp-hr   
40
1.64 g/amp-hr   
99+
Electron Work Function
2.70 eV   
99+
2.59 eV   
99+
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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