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Chemical Properties of Iridium and Niobium


Chemical Properties of Niobium and Iridium


Chemical Properties

Chemical Formula
Ir   
Nb   

Isotopes
  
  

Known Isotopes
34   
5
17   
22

Electronegativity
  
  

Pauling Electronegativity
2.20   
4
1.60   
23

Sanderson Electronegativity
Not Available   
1.42   
16

Allred Rochow Electronegativity
1.55   
11
1.23   
25

Allen Electronegativity
1.68   
17
1.41   
31

Electropositivity
  
  

Pauling Electropositivity
1.80   
99+
2.40   
31

Ionization Energies
  
  

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

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

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

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

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

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

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

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

Electron Work Function
4.55 eV   
13
4.30 eV   
18

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

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