Chemical Properties of Niobium and Lead
Chemical Properties
Chemical Formula
Nb
Pb
Isotopes
Known Isotopes
17
22
35
4
Electronegativity
Pauling Electronegativity
1.60
23
1.87
13
Sanderson Electronegativity
1.42
16
2.29
4
Allred Rochow Electronegativity
1.23
25
1.55
11
Mulliken-Jaffe Electronegativity
Not Available
2.41
2
Allen Electronegativity
1.41
31
1.85
8
Electropositivity
Pauling Electropositivity
2.40
31
1.67
99+
Ionization Energies
1st Energy Level
652.10 kJ/mol
99+
715.60 kJ/mol
31
2nd Energy Level
1,380.00 kJ/mol
99+
1,450.50 kJ/mol
99+
3rd Energy Level
2,416.00 kJ/mol
99+
3,081.50 kJ/mol
23
4th Energy Level
3,700.00 kJ/mol
99+
4,083.00 kJ/mol
35
5th Energy Level
4,877.00 kJ/mol
36
6,640.00 kJ/mol
20
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+
3.87 g/amp-hr
9
Electron Work Function
4.30 eV
18
4.25 eV
21
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes
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