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Chemical Properties of Beryllium and Niobium

Beryllium
Niobium
Chemical Properties of Niobium and Beryllium


Chemical Properties
Chemical Formula
Be   
Nb   
Isotopes
  
  
Known Isotopes
9   
29
17   
22
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
1.60   
23
Sanderson Electronegativity
1.81   
12
1.42   
16
Allred Rochow Electronegativity
1.47   
14
1.23   
25
Mulliken-Jaffe Electronegativity
1.54   
12
Not Available   
Allen Electronegativity
1.58   
23
1.41   
31
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
2.40   
31
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
652.10 kJ/mol   
99+
2nd Energy Level
1,757.10 kJ/mol   
23
1,380.00 kJ/mol   
99+
3rd Energy Level
14,848.70 kJ/mol   
2
2,416.00 kJ/mol   
99+
4th Energy Level
21,006.60 kJ/mol   
2
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
0.17 g/amp-hr   
99+
0.69 g/amp-hr   
99+
Electron Work Function
4.98 eV   
6
4.30 eV   
18
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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