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Chemical Properties of Tantalum and Francium
f
Tantalum
Francium
Chemical Properties of Francium and Tantalum
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Chemical Properties
Chemical Formula
Ta
Fr
Isotopes
Known Isotopes
31
8
33
6
Electronegativity
Pauling Electronegativity
1.50
27
0.70
99+
Allred Rochow Electronegativity
1.33
22
0.86
99+
Mulliken-Jaffe Electronegativity
Not Available
0.68
25
Allen Electronegativity
1.34
33
0.67
99+
Electropositivity
Pauling Electropositivity
2.50
27
3.30
1
Ionization Energies
1st Energy Level
761.00 kJ/mol
18
380.00 kJ/mol
99+
2nd Energy Level
1,500.00 kJ/mol
40
Not Available
Electrochemical Equivalent
1.35 g/amp-hr
99+
8.32 g/amp-hr
1
Electron Work Function
4.25 eV
21
Not Available
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Radioactivity, Solubility
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