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Chemical Properties of Beryllium and Hafnium

Beryllium
Hafnium
Chemical Properties of Hafnium and Beryllium


Chemical Properties
Chemical Formula
Be   
Hf   
Isotopes
  
  
Known Isotopes
9   
29
32   
7
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
1.30   
32
Sanderson Electronegativity
1.81   
12
Not Available   
Allred Rochow Electronegativity
1.47   
14
1.23   
25
Mulliken-Jaffe Electronegativity
1.54   
12
Not Available   
Allen Electronegativity
1.58   
23
1.16   
37
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
2.70   
22
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
658.50 kJ/mol   
40
2nd Energy Level
1,757.10 kJ/mol   
23
1,440.00 kJ/mol   
99+
3rd Energy Level
14,848.70 kJ/mol   
2
2,250.00 kJ/mol   
99+
4th Energy Level
21,006.60 kJ/mol   
2
3,216.00 kJ/mol   
99+
Electrochemical Equivalent
0.17 g/amp-hr   
99+
1.66 g/amp-hr   
99+
Electron Work Function
4.98 eV   
6
3.90 eV   
27
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Atomic >>
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