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Chemical Properties of Molybdenum and Niobium

Molybdenum
Niobium
Chemical Properties of Niobium and Molybdenum


Chemical Properties
Chemical Formula
Mo   
Nb   
Isotopes
  
  
Known Isotopes
25   
14
17   
22
Electronegativity
  
  
Pauling Electronegativity
2.16   
5
1.60   
23
Sanderson Electronegativity
1.15   
19
1.42   
16
Allred Rochow Electronegativity
1.30   
24
1.23   
25
Allen Electronegativity
2.16   
3
1.41   
31
Electropositivity
  
  
Pauling Electropositivity
1.84   
99+
2.40   
31
Ionization Energies
  
  
1st Energy Level
684.30 kJ/mol   
37
652.10 kJ/mol   
99+
2nd Energy Level
1,560.00 kJ/mol   
37
1,380.00 kJ/mol   
99+
3rd Energy Level
2,618.00 kJ/mol   
99+
2,416.00 kJ/mol   
99+
4th Energy Level
4,480.00 kJ/mol   
26
3,700.00 kJ/mol   
99+
5th Energy Level
5,257.00 kJ/mol   
32
4,877.00 kJ/mol   
36
6th Energy Level
6,640.80 kJ/mol   
22
9,847.00 kJ/mol   
11
7th Energy level
12,125.00 kJ/mol   
13
12,100.00 kJ/mol   
14
8th Energy Level
13,860.00 kJ/mol   
16
Not Available   
9th Energy Level
15,835.00 kJ/mol   
16
Not Available   
10th Energy Level
17,980.00 kJ/mol   
18
Not Available   
11th Energy Level
20,190.00 kJ/mol   
17
Not Available   
12th Energy Level
22,219.00 kJ/mol   
15
Not Available   
13th Energy Level
26,930.00 kJ/mol   
13
Not Available   
14th Energy Level
29,196.00 kJ/mol   
13
Not Available   
15th Energy Level
52,490.00 kJ/mol   
7
Not Available   
16th Energy Level
55,000.00 kJ/mol   
8
Not Available   
17th Energy Level
61,400.00 kJ/mol   
9
Not Available   
18th Energy Level
67,700.00 kJ/mol   
9
Not Available   
19th Energy Level
74,000.00 kJ/mol   
9
Not Available   
20th Energy Level
80,400.00 kJ/mol   
10
Not Available   
21st Energy Level
87,000.00 kJ/mol   
9
Not Available   
22nd Energy Level
93,400.00 kJ/mol   
7
Not Available   
23rd Energy Level
98,420.00 kJ/mol   
6
Not Available   
24th Energy Level
104,400.00 kJ/mol   
2
Not Available   
25th Energy Level
121,900.00 kJ/mol   
1
Not Available   
26th Energy Level
127,700.00 kJ/mol   
1
Not Available   
27th Energy Level
133,800.00 kJ/mol   
1
Not Available   
28th Energy Level
139,800.00 kJ/mol   
1
Not Available   
29th Energy Level
148,100.00 kJ/mol   
1
Not Available   
30th Energy Level
154,500.00 kJ/mol   
1
Not Available   
Electrochemical Equivalent
0.89 g/amp-hr   
99+
0.69 g/amp-hr   
99+
Electron Work Function
4.60 eV   
12
4.30 eV   
18
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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