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Chemical Properties of Chromium and Tantalum

Chromium
Tantalum
Chemical Properties of Tantalum and Chromium


Chemical Properties
Chemical Formula
Cr   
Ta   
Isotopes
  
  
Known Isotopes
21   
18
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.66   
18
1.50   
27
Sanderson Electronegativity
1.66   
14
Not Available   
Allred Rochow Electronegativity
1.56   
10
1.33   
22
Allen Electronegativity
1.65   
19
1.34   
33
Electropositivity
  
  
Pauling Electropositivity
2.34   
36
2.50   
27
Ionization Energies
  
  
1st Energy Level
26,130.00 kJ/mol   
1
761.00 kJ/mol   
18
2nd Energy Level
28,750.00 kJ/mol   
1
1,500.00 kJ/mol   
40
3rd Energy Level
34,230.00 kJ/mol   
1
Not Available   
4th Energy Level
37,066.00 kJ/mol   
1
Not Available   
5th Energy Level
97,510.00 kJ/mol   
1
Not Available   
6th Energy Level
105,800.00 kJ/mol   
1
Not Available   
7th Energy level
114,300.00 kJ/mol   
1
Not Available   
8th Energy Level
125,300.00 kJ/mol   
1
Not Available   
9th Energy Level
134,700.00 kJ/mol   
1
Not Available   
10th Energy Level
144,300.00 kJ/mol   
1
Not Available   
11th Energy Level
26,130.00 kJ/mol   
12
Not Available   
12th Energy Level
28,750.00 kJ/mol   
13
Not Available   
13th Energy Level
34,230.00 kJ/mol   
10
Not Available   
14th Energy Level
37,066.00 kJ/mol   
12
Not Available   
15th Energy Level
97,510.00 kJ/mol   
1
Not Available   
16th Energy Level
105,800.00 kJ/mol   
2
Not Available   
17th Energy Level
114,300.00 kJ/mol   
3
Not Available   
18th Energy Level
125,300.00 kJ/mol   
4
Not Available   
19th Energy Level
134,700.00 kJ/mol   
5
Not Available   
20th Energy Level
144,300.00 kJ/mol   
7
Not Available   
21st Energy Level
157,700.00 kJ/mol   
7
Not Available   
22nd Energy Level
166,090.00 kJ/mol   
6
Not Available   
Electrochemical Equivalent
0.32 g/amp-hr   
99+
1.35 g/amp-hr   
99+
Electron Work Function
4.50 eV   
14
4.25 eV   
21
Other Chemical Properties
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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