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Chemical Properties of Iridium and Francium
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Iridium
Francium
Chemical Properties of Francium and Iridium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
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Chemical Properties
Chemical Formula
Ir
Fr
Isotopes
Known Isotopes
34
5
33
6
Electronegativity
Pauling Electronegativity
2.20
4
0.70
99+
Allred Rochow Electronegativity
1.55
11
0.86
99+
Mulliken-Jaffe Electronegativity
Not Available
0.68
25
Allen Electronegativity
1.68
17
0.67
99+
Electropositivity
Pauling Electropositivity
1.80
99+
3.30
1
Ionization Energies
1st Energy Level
880.00 kJ/mol
9
380.00 kJ/mol
99+
2nd Energy Level
1,600.00 kJ/mol
35
Not Available
Electrochemical Equivalent
1.14 g/amp-hr
99+
8.32 g/amp-hr
1
Electron Work Function
4.55 eV
13
Not Available
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity, Solubility
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