Chemical Properties of Tantalum and Ruthenium
Chemical Properties
Chemical Formula
Ta
Ru
Isotopes
Known Isotopes
31
8
26
13
Electronegativity
Pauling Electronegativity
1.50
27
2.20
4
Allred Rochow Electronegativity
1.33
22
1.42
18
Allen Electronegativity
1.34
33
1.54
25
Electropositivity
Pauling Electropositivity
2.50
27
1.80
99+
Ionization Energies
1st Energy Level
761.00 kJ/mol
18
710.20 kJ/mol
32
2nd Energy Level
1,500.00 kJ/mol
40
710.22 kJ/mol
99+
3rd Energy Level
Not Available
2,747.00 kJ/mol
37
Electrochemical Equivalent
1.35 g/amp-hr
99+
1.26 g/amp-hr
99+
Electron Work Function
4.25 eV
21
4.71 eV
9
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
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