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Chemical Properties of Niobium and Polonium

Niobium
Polonium
Chemical Properties of Polonium and Niobium


Chemical Properties
Chemical Formula
Nb   
Po   
Isotopes
  
  
Known Isotopes
17   
22
29   
10
Electronegativity
  
  
Pauling Electronegativity
1.60   
23
2.00   
7
Sanderson Electronegativity
1.42   
16
Not Available   
Allred Rochow Electronegativity
1.23   
25
1.76   
2
Mulliken-Jaffe Electronegativity
Not Available   
2.48   
1
Allen Electronegativity
1.41   
31
2.19   
2
Electropositivity
  
  
Pauling Electropositivity
2.40   
31
2.00   
99+
Ionization Energies
  
  
1st Energy Level
652.10 kJ/mol   
99+
812.10 kJ/mol   
14
2nd Energy Level
1,380.00 kJ/mol   
99+
Not Available   
3rd Energy Level
2,416.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,700.00 kJ/mol   
99+
Not Available   
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+
3.90 g/amp-hr   
8
Electron Work Function
4.30 eV   
18
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   
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