Chemical Properties of Platinum and Tantalum
Chemical Properties
Chemical Formula
Pt
Ta
Isotopes
Known Isotopes
35
4
31
8
Electronegativity
Pauling Electronegativity
2.28
3
1.50
27
Allred Rochow Electronegativity
1.44
17
1.33
22
Allen Electronegativity
1.72
16
1.34
33
Electropositivity
Pauling Electropositivity
1.72
99+
2.50
27
Ionization Energies
1st Energy Level
870.00 kJ/mol
10
761.00 kJ/mol
18
2nd Energy Level
1,791.00 kJ/mol
21
1,500.00 kJ/mol
40
Electrochemical Equivalent
1.82 g/amp-hr
35
1.35 g/amp-hr
99+
Electron Work Function
5.65 eV
1
4.25 eV
21
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
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