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Chemical Properties of Praseodymium and Nickel

Praseodymium
Nickel
Chemical Properties of Nickel and Praseodymium


Chemical Properties
Chemical Formula
Pr   
Ni   
Isotopes
  
  
Known Isotopes
31   
8
25   
14
Electronegativity
  
  
Pauling Electronegativity
1.13   
99+
1.91   
10
Sanderson Electronegativity
Not Available   
1.94   
10
Allred Rochow Electronegativity
1.07   
32
1.75   
3
Allen Electronegativity
Not Available   
1.88   
6
Electropositivity
  
  
Pauling Electropositivity
2.87   
12
2.09   
99+
Ionization Energies
  
  
1st Energy Level
527.00 kJ/mol   
99+
737.10 kJ/mol   
25
2nd Energy Level
1,020.00 kJ/mol   
99+
1,753.00 kJ/mol   
25
3rd Energy Level
2,086.00 kJ/mol   
99+
3,395.00 kJ/mol   
17
4th Energy Level
3,761.00 kJ/mol   
99+
5,300.00 kJ/mol   
15
5th Energy Level
5,551.00 kJ/mol   
29
7,339.00 kJ/mol   
15
6th Energy Level
Not Available   
10,400.00 kJ/mol   
9
7th Energy level
Not Available   
12,800.00 kJ/mol   
10
8th Energy Level
Not Available   
15,600.00 kJ/mol   
10
9th Energy Level
Not Available   
18,600.00 kJ/mol   
10
10th Energy Level
Not Available   
21,670.00 kJ/mol   
14
11th Energy Level
Not Available   
30,970.00 kJ/mol   
7
12th Energy Level
Not Available   
34,000.00 kJ/mol   
7
13th Energy Level
Not Available   
37,100.00 kJ/mol   
7
14th Energy Level
Not Available   
41,500.00 kJ/mol   
8
15th Energy Level
Not Available   
44,800.00 kJ/mol   
10
16th Energy Level
Not Available   
48,100.00 kJ/mol   
12
17th Energy Level
Not Available   
55,101.00 kJ/mol   
11
18th Energy Level
Not Available   
58,570.00 kJ/mol   
12
19th Energy Level
Not Available   
148,700.00 kJ/mol   
1
20th Energy Level
Not Available   
159,000.00 kJ/mol   
3
21st Energy Level
Not Available   
169,400.00 kJ/mol   
3
22nd Energy Level
Not Available   
182,700.00 kJ/mol   
2
23rd Energy Level
Not Available   
194,000.00 kJ/mol   
2
Electrochemical Equivalent
1.75 g/amp-hr   
40
1.10 g/amp-hr   
99+
Electron Work Function
2.70 eV   
99+
5.15 eV   
2
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Anti Corrosion, Ionization, Radioactive Isotopes   
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