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Chemical Properties of Niobium and Iridium


Chemical Properties of Iridium and Niobium


Chemical Properties

Chemical Formula
Nb   
Ir   

Isotopes
  
  

Known Isotopes
17   
22
34   
5

Electronegativity
  
  

Pauling Electronegativity
1.60   
23
2.20   
4

Sanderson Electronegativity
1.42   
16
Not Available   

Allred Rochow Electronegativity
1.23   
25
1.55   
11

Allen Electronegativity
1.41   
31
1.68   
17

Electropositivity
  
  

Pauling Electropositivity
2.40   
31
1.80   
99+

Ionization Energies
  
  

1st Energy Level
652.10 kJ/mol   
99+
880.00 kJ/mol   
9

2nd Energy Level
1,380.00 kJ/mol   
99+
1,600.00 kJ/mol   
35

3rd Energy Level
2,416.00 kJ/mol   
99+
Not Available   

4th Energy Level
3,700.00 kJ/mol   
99+
Not Available   

5th Energy Level
4,877.00 kJ/mol   
36
Not Available   

6th Energy Level
9,847.00 kJ/mol   
11
Not Available   

7th Energy level
12,100.00 kJ/mol   
14
Not Available   

Electrochemical Equivalent
0.69 g/amp-hr   
99+
1.14 g/amp-hr   
99+

Electron Work Function
4.30 eV   
18
4.55 eV   
13

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   

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