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Chemical Properties of Protactinium and Zinc

Protactinium
Zinc
Chemical Properties of Zinc and Protactinium


Chemical Properties
Chemical Formula
Pa   
Zn   
Isotopes
  
  
Known Isotopes
27   
12
25   
14
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
1.65   
19
Sanderson Electronegativity
Not Available   
2.23   
6
Allred Rochow Electronegativity
1.14   
28
1.66   
7
Mulliken-Jaffe Electronegativity
Not Available   
1.65   
11
Allen Electronegativity
Not Available   
1.59   
22
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
2.35   
35
Ionization Energies
  
  
1st Energy Level
568.00 kJ/mol   
99+
906.40 kJ/mol   
6
2nd Energy Level
1,128.00 kJ/mol   
99+
1,733.30 kJ/mol   
27
3rd Energy Level
1,814.00 kJ/mol   
99+
3,833.00 kJ/mol   
12
4th Energy Level
2,991.00 kJ/mol   
99+
5,731.00 kJ/mol   
11
5th Energy Level
Not Available   
7,970.00 kJ/mol   
9
6th Energy Level
Not Available   
10,400.00 kJ/mol   
9
7th Energy level
Not Available   
12,900.00 kJ/mol   
9
8th Energy Level
Not Available   
16,800.00 kJ/mol   
6
9th Energy Level
Not Available   
19,600.00 kJ/mol   
8
10th Energy Level
Not Available   
23,000.00 kJ/mol   
10
11th Energy Level
Not Available   
26,400.00 kJ/mol   
11
12th Energy Level
Not Available   
29,990.00 kJ/mol   
11
13th Energy Level
Not Available   
40,490.00 kJ/mol   
5
14th Energy Level
Not Available   
43,800.00 kJ/mol   
6
15th Energy Level
Not Available   
47,300.00 kJ/mol   
8
16th Energy Level
Not Available   
52,300.00 kJ/mol   
9
17th Energy Level
Not Available   
55,900.00 kJ/mol   
10
18th Energy Level
Not Available   
59,700.00 kJ/mol   
11
19th Energy Level
Not Available   
67,300.00 kJ/mol   
10
20th Energy Level
Not Available   
171,200.00 kJ/mol   
1
21st Energy Level
Not Available   
179,100.00 kJ/mol   
1
Electrochemical Equivalent
1.72 g/amp-hr   
99+
1.22 g/amp-hr   
99+
Electron Work Function
Not Available   
4.33 eV   
17
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes   
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