Chemical Properties of Iridium and Technetium
Chemical Properties
Chemical Formula
Ir
Tc
Isotopes
Known Isotopes
34
5
18
21
Electronegativity
Pauling Electronegativity
2.20
4
1.90
11
Allred Rochow Electronegativity
1.55
11
1.36
20
Allen Electronegativity
1.68
17
1.51
28
Electropositivity
Pauling Electropositivity
1.80
99+
2.10
99+
Ionization Energies
1st Energy Level
880.00 kJ/mol
9
702.00 kJ/mol
36
2nd Energy Level
1,600.00 kJ/mol
35
1,470.00 kJ/mol
99+
3rd Energy Level
Not Available
2,850.00 kJ/mol
33
Electrochemical Equivalent
1.14 g/amp-hr
99+
0.52 g/amp-hr
99+
Electron Work Function
4.55 eV
13
Not Available
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility
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