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Chemical Properties of Thorium and Tantalum
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Thorium
Tantalum
Chemical Properties of Tantalum and Thorium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Chemical Properties
Chemical Formula
Th
Ta
Isotopes
Known Isotopes
28
11
31
8
Electronegativity
Pauling Electronegativity
1.30
32
1.50
27
Allred Rochow Electronegativity
1.11
29
1.33
22
Allen Electronegativity
Not Available
1.34
33
Electropositivity
Pauling Electropositivity
2.70
22
2.50
27
Ionization Energies
1st Energy Level
587.00 kJ/mol
99+
761.00 kJ/mol
18
2nd Energy Level
1,110.00 kJ/mol
99+
1,500.00 kJ/mol
40
3rd Energy Level
1,978.00 kJ/mol
99+
Not Available
4th Energy Level
2,780.00 kJ/mol
99+
Not Available
Electrochemical Equivalent
2.16 g/amp-hr
24
1.35 g/amp-hr
99+
Electron Work Function
3.41 eV
32
4.25 eV
21
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
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