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Chemical Properties of Niobium and Strontium

Niobium
Strontium
Chemical Properties of Strontium and Niobium


Chemical Properties
Chemical Formula
Nb   
Sr   
Isotopes
  
  
Known Isotopes
17   
22
27   
12
Electronegativity
  
  
Pauling Electronegativity
1.60   
23
0.95   
99+
Sanderson Electronegativity
1.42   
16
0.72   
27
Allred Rochow Electronegativity
1.23   
25
0.99   
37
Mulliken-Jaffe Electronegativity
Not Available   
1.00   
18
Allen Electronegativity
1.41   
31
0.96   
40
Electropositivity
  
  
Pauling Electropositivity
2.40   
31
3.05   
7
Ionization Energies
  
  
1st Energy Level
652.10 kJ/mol   
99+
549.50 kJ/mol   
99+
2nd Energy Level
1,380.00 kJ/mol   
99+
1,064.20 kJ/mol   
99+
3rd Energy Level
2,416.00 kJ/mol   
99+
4,138.00 kJ/mol   
10
4th Energy Level
3,700.00 kJ/mol   
99+
5,500.00 kJ/mol   
13
5th Energy Level
4,877.00 kJ/mol   
36
6,910.00 kJ/mol   
18
6th Energy Level
9,847.00 kJ/mol   
11
8,760.00 kJ/mol   
18
7th Energy level
12,100.00 kJ/mol   
14
10,230.00 kJ/mol   
19
8th Energy Level
Not Available   
11,800.00 kJ/mol   
19
9th Energy Level
Not Available   
15,600.00 kJ/mol   
17
10th Energy Level
Not Available   
17,100.00 kJ/mol   
19
11th Energy Level
Not Available   
31,270.00 kJ/mol   
6
Electrochemical Equivalent
0.69 g/amp-hr   
99+
1.64 g/amp-hr   
99+
Electron Work Function
4.30 eV   
18
2.59 eV   
99+
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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