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Chemical Properties of Vanadium and Hafnium

Vanadium
Hafnium
Chemical Properties of Hafnium and Vanadium


Chemical Properties
Chemical Formula
V   
Hf   
Isotopes
  
  
Known Isotopes
22   
17
32   
7
Electronegativity
  
  
Pauling Electronegativity
1.63   
20
1.30   
32
Sanderson Electronegativity
1.39   
17
Not Available   
Allred Rochow Electronegativity
1.45   
16
1.23   
25
Allen Electronegativity
1.53   
26
1.16   
37
Electropositivity
  
  
Pauling Electropositivity
2.37   
34
2.70   
22
Ionization Energies
  
  
1st Energy Level
650.90 kJ/mol   
99+
658.50 kJ/mol   
40
2nd Energy Level
1,414.00 kJ/mol   
99+
1,440.00 kJ/mol   
99+
3rd Energy Level
2,830.00 kJ/mol   
35
2,250.00 kJ/mol   
99+
4th Energy Level
4,507.00 kJ/mol   
25
3,216.00 kJ/mol   
99+
5th Energy Level
6,298.70 kJ/mol   
23
Not Available   
6th Energy Level
12,363.00 kJ/mol   
5
Not Available   
7th Energy level
14,530.00 kJ/mol   
5
Not Available   
8th Energy Level
16,730.00 kJ/mol   
7
Not Available   
9th Energy Level
19,860.00 kJ/mol   
7
Not Available   
10th Energy Level
22,240.00 kJ/mol   
12
Not Available   
11th Energy Level
24,670.00 kJ/mol   
15
Not Available   
12th Energy Level
29,730.00 kJ/mol   
12
Not Available   
13th Energy Level
32,446.00 kJ/mol   
12
Not Available   
14th Energy Level
86,450.00 kJ/mol   
1
Not Available   
15th Energy Level
94,170.00 kJ/mol   
2
Not Available   
16th Energy Level
102,300.00 kJ/mol   
3
Not Available   
17th Energy Level
112,700.00 kJ/mol   
4
Not Available   
18th Energy Level
121,600.00 kJ/mol   
5
Not Available   
19th Energy Level
130,700.00 kJ/mol   
6
Not Available   
20th Energy Level
143,400.00 kJ/mol   
8
Not Available   
21st Energy Level
151,440.00 kJ/mol   
8
Not Available   
Electrochemical Equivalent
0.38 g/amp-hr   
99+
1.66 g/amp-hr   
99+
Electron Work Function
4.30 eV   
18
3.90 eV   
27
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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