Element (Atom) Name | Iridium |
Symbol | Ir |
Physical state at room temperature | Solid |
Element Classification | Metal |
Group Name | None |
Period Number (Periodic table) | 6 |
Group number (Periodic table) | 9 |
Atomic number | 77 |
Atomic weight | 192.217 (Ref: Jlab-ele077, ciaaw-iridium, Nist-77) 192.2 (Ref: Lanl-77) |
Atomic Radius | 202 pm (Van der Waals) (Ref: Lanl-77) |
Density | 22.42g/cm3 (Ref: Jlab-ele077) |
Melting point | 2446°C (Ref: Jlab-ele077, Lanl-77) |
Boiling point | 4428°C (Ref: Jlab-ele077) 4130 °C (Ref: Lanl-77) |
Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d7 6s2 |
Oxidation States | +4, +3 (Ref: Jlab-ele077) −3, −1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 (Ref: Lanl-77) |
Ionization Energy | 9.1 eV (Ref: Jlab-ele077) 8.96702 eV (Ref: Nist-77) |
Number of Stable Isotopes | 2 |
InChI | InChI=1S/Ir (Ref: Pubchem-77) |
InChI Key | GKOZUEZYRPOHIO-UHFFFAOYSA-N (Ref: Pubchem-77) |
Remarks |
REFERENCES
- Jlab-ele077: https://education.jlab.org/itselemental/ele077.html
- Lanl-77: https://periodic.lanl.gov/77.shtml
- ciaaw-iridium: https://www.ciaaw.org/iridium.htm
- Nist-77: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=77
- Pubchem-77: https://pubchem.ncbi.nlm.nih.gov/element/77
- science.co.il: https://www.science.co.il/elements/
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