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Chemical Properties of Beryllium and Iridium


Chemical Properties of Iridium and Beryllium


Chemical Properties

Chemical Formula
Be   
Ir   

Isotopes
  
  

Known Isotopes
9   
29
34   
5

Electronegativity
  
  

Pauling Electronegativity
1.57   
24
2.20   
4

Sanderson Electronegativity
1.81   
12
Not Available   

Allred Rochow Electronegativity
1.47   
14
1.55   
11

Mulliken-Jaffe Electronegativity
1.54   
12
Not Available   

Allen Electronegativity
1.58   
23
1.68   
17

Electropositivity
  
  

Pauling Electropositivity
2.43   
30
1.80   
99+

Ionization Energies
  
  

1st Energy Level
899.50 kJ/mol   
7
880.00 kJ/mol   
9

2nd Energy Level
1,757.10 kJ/mol   
23
1,600.00 kJ/mol   
35

3rd Energy Level
14,848.70 kJ/mol   
2
Not Available   

4th Energy Level
21,006.60 kJ/mol   
2
Not Available   

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

Electron Work Function
4.98 eV   
6
4.55 eV   
13

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

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