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Chemical Properties of Niobium and Beryllium

Niobium
Beryllium
Chemical Properties of Beryllium and Niobium


Chemical Properties
Chemical Formula
Nb   
Be   
Isotopes
  
  
Known Isotopes
17   
22
9   
29
Electronegativity
  
  
Pauling Electronegativity
1.60   
23
1.57   
24
Sanderson Electronegativity
1.42   
16
1.81   
12
Allred Rochow Electronegativity
1.23   
25
1.47   
14
Mulliken-Jaffe Electronegativity
Not Available   
1.54   
12
Allen Electronegativity
1.41   
31
1.58   
23
Electropositivity
  
  
Pauling Electropositivity
2.40   
31
2.43   
30
Ionization Energies
  
  
1st Energy Level
652.10 kJ/mol   
99+
899.50 kJ/mol   
7
2nd Energy Level
1,380.00 kJ/mol   
99+
1,757.10 kJ/mol   
23
3rd Energy Level
2,416.00 kJ/mol   
99+
14,848.70 kJ/mol   
2
4th Energy Level
3,700.00 kJ/mol   
99+
21,006.60 kJ/mol   
2
5th Energy Level
4,877.00 kJ/mol   
36
Not Available   
6th Energy Level
9,847.00 kJ/mol   
11
Not Available   
7th Energy level
12,100.00 kJ/mol   
14
Not Available   
Electrochemical Equivalent
0.69 g/amp-hr   
99+
0.17 g/amp-hr   
99+
Electron Work Function
4.30 eV   
18
4.98 eV   
6
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes   
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