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Chemical Properties of Niobium and Roentgenium

Niobium
Roentgenium
Chemical Properties of Roentgenium and Niobium


Chemical Properties
Chemical Formula
Nb   
Rg   
Isotopes
  
  
Known Isotopes
17   
22
1   
34
Electronegativity
  
  
Pauling Electronegativity
1.60   
23
Not Available   
Sanderson Electronegativity
1.42   
16
Not Available   
Allred Rochow Electronegativity
1.23   
25
Not Available   
Allen Electronegativity
1.41   
31
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.40   
31
Not Available   
Ionization Energies
  
  
1st Energy Level
652.10 kJ/mol   
99+
1,022.70 kJ/mol   
3
2nd Energy Level
1,380.00 kJ/mol   
99+
2,074.40 kJ/mol   
10
3rd Energy Level
2,416.00 kJ/mol   
99+
3,077.90 kJ/mol   
24
4th Energy Level
3,700.00 kJ/mol   
99+
4,052.40 kJ/mol   
36
5th Energy Level
4,877.00 kJ/mol   
36
5,306.70 kJ/mol   
31
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+
Not Available   
Electron Work Function
4.30 eV   
18
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
NA   
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