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Chemical Properties of Beryllium and Iridium

Beryllium
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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