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Chemical Properties of Thallium and Niobium

Thallium
Niobium
Chemical Properties of Niobium and Thallium


Chemical Properties
Chemical Formula
Tl   
Nb   
Isotopes
  
  
Known Isotopes
32   
7
17   
22
Electronegativity
  
  
Pauling Electronegativity
1.62   
21
1.60   
23
Sanderson Electronegativity
2.25   
5
1.42   
16
Allred Rochow Electronegativity
1.44   
17
1.23   
25
Mulliken-Jaffe Electronegativity
1.96   
6
Not Available   
Allen Electronegativity
1.79   
13
1.41   
31
Electropositivity
  
  
Pauling Electropositivity
2.38   
33
2.40   
31
Ionization Energies
  
  
1st Energy Level
589.40 kJ/mol   
99+
652.10 kJ/mol   
99+
2nd Energy Level
1,971.00 kJ/mol   
14
1,380.00 kJ/mol   
99+
3rd Energy Level
2,878.00 kJ/mol   
32
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
7.63 g/amp-hr   
2
0.69 g/amp-hr   
99+
Electron Work Function
3.84 eV   
28
4.30 eV   
18
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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