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Chemical Properties of Polonium and Niobium

Polonium
Niobium
Chemical Properties of Niobium and Polonium


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