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Chemical Properties of Niobium and Vanadium

Niobium
Vanadium
Chemical Properties of Vanadium and Niobium


Chemical Properties
Chemical Formula
Nb   
V   
Isotopes
  
  
Known Isotopes
17   
22
22   
17
Electronegativity
  
  
Pauling Electronegativity
1.60   
23
1.63   
20
Sanderson Electronegativity
1.42   
16
1.39   
17
Allred Rochow Electronegativity
1.23   
25
1.45   
16
Allen Electronegativity
1.41   
31
1.53   
26
Electropositivity
  
  
Pauling Electropositivity
2.40   
31
2.37   
34
Ionization Energies
  
  
1st Energy Level
652.10 kJ/mol   
99+
650.90 kJ/mol   
99+
2nd Energy Level
1,380.00 kJ/mol   
99+
1,414.00 kJ/mol   
99+
3rd Energy Level
2,416.00 kJ/mol   
99+
2,830.00 kJ/mol   
35
4th Energy Level
3,700.00 kJ/mol   
99+
4,507.00 kJ/mol   
25
5th Energy Level
4,877.00 kJ/mol   
36
6,298.70 kJ/mol   
23
6th Energy Level
9,847.00 kJ/mol   
11
12,363.00 kJ/mol   
5
7th Energy level
12,100.00 kJ/mol   
14
14,530.00 kJ/mol   
5
8th Energy Level
Not Available   
16,730.00 kJ/mol   
7
9th Energy Level
Not Available   
19,860.00 kJ/mol   
7
10th Energy Level
Not Available   
22,240.00 kJ/mol   
12
11th Energy Level
Not Available   
24,670.00 kJ/mol   
15
12th Energy Level
Not Available   
29,730.00 kJ/mol   
12
13th Energy Level
Not Available   
32,446.00 kJ/mol   
12
14th Energy Level
Not Available   
86,450.00 kJ/mol   
1
15th Energy Level
Not Available   
94,170.00 kJ/mol   
2
16th Energy Level
Not Available   
102,300.00 kJ/mol   
3
17th Energy Level
Not Available   
112,700.00 kJ/mol   
4
18th Energy Level
Not Available   
121,600.00 kJ/mol   
5
19th Energy Level
Not Available   
130,700.00 kJ/mol   
6
20th Energy Level
Not Available   
143,400.00 kJ/mol   
8
21st Energy Level
Not Available   
151,440.00 kJ/mol   
8
Electrochemical Equivalent
0.69 g/amp-hr   
99+
0.38 g/amp-hr   
99+
Electron Work Function
4.30 eV   
18
4.30 eV   
18
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes   
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