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Chemical Properties of Holmium and Tantalum
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Holmium
Tantalum
Chemical Properties of Tantalum and Holmium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Chemical Properties
Chemical Formula
Ho
Ta
Isotopes
Known Isotopes
34
5
31
8
Electronegativity
Pauling Electronegativity
1.23
37
1.50
27
Allred Rochow Electronegativity
1.10
30
1.33
22
Allen Electronegativity
Not Available
1.34
33
Electropositivity
Pauling Electropositivity
2.77
17
2.50
27
Ionization Energies
1st Energy Level
581.00 kJ/mol
99+
761.00 kJ/mol
18
2nd Energy Level
1,140.00 kJ/mol
99+
1,500.00 kJ/mol
40
3rd Energy Level
2,204.00 kJ/mol
99+
Not Available
4th Energy Level
4,100.00 kJ/mol
34
Not Available
Electrochemical Equivalent
2.02 g/amp-hr
29
1.35 g/amp-hr
99+
Electron Work Function
Not Available
4.25 eV
21
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
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