Template:Infobox iridium

{{infobox element

|symbol =Ir

|Z =77

|number =77

|name =iridium

|abundance=

|abundance in earth's crust=

|abundance in oceans=

|abundance in solar system=

|left=osmium

|right=platinum

|above=Rh

|below=Mt

|image name=Iridium-2.jpg

|appearance=Silvery white

|electrons per shell=2, 8, 18, 32, 15, 2

|phase=

|density=22.562 g/cm³

|density conditions=(at 20° C)

|density gpcm3nrt=

|density gpcm3mp=19

|melting point K=2719

|melting point C=2446

|melting point F=4435

|boiling point K=4403

|boiling point C=4130

|boiling point F=7466

|heat fusion=41.12

|heat vaporization=564

|heat capacity=25.10

|vapor pressure 1=2713

|vapor pressure 10=2957

|vapor pressure 100=3252

|vapor pressure 1 k=3614

|vapor pressure 10 k=4069

|vapor pressure 100 k=4659

|vapor pressure comment=

|crystal structure=face-centered cubic

|crystal structure Pearson symbol=cF4

|lattice constant=a = 383.92 pm (at 20 °C){{cite book |last=Arblaster |first= John W. |title=Selected Values of the Crystallographic Properties of Elements |publisher=ASM International |publication-place=Materials Park, Ohio |date=2018 |isbn=978-1-62708-155-9}}

|electronegativity=2.20

|number of ionization energies=2

|ionization energy 1=880

|ionization energy 2=1600

|atomic radius=136

|covalent radius=141±6

|magnetic ordering= paramagnetic{{cite book |url=https://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf|chapter=Magnetic susceptibility of the elements and inorganic compounds| editor = Lide, D. R. | title = CRC Handbook of Chemistry and Physics | edition = 86th | location = Boca Raton (FL) | publisher = CRC Press | year = 2005 | isbn = 0-8493-0486-5 }}

|electrical resistivity unit prefix=n

|electrical resistivity at 20=47.1

|thermal conductivity=147

|thermal expansion=

|thermal expansion comment={{val|6.47|e=−6}}/K (at 20 °C)

|speed of sound rod at 20=4825

|magnetic susceptibility= +25.6 × 10⁻⁶

|magnetic susceptibility ref= (298 K){{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110}}

|Young's modulus=528

|Shear modulus=210

|Bulk modulus=320

|Poisson ratio=0.26

|Mohs hardness=6.5

|Vickers hardness=1760–2200

|Brinell hardness=1670

|CAS number=7439-88-5

|naming=after Ἶρις, the Greek goddess of the rainbow, for the strong colors of its salts

|history comment label=Discovery and first isolation

|history comment=Smithson Tennant (1803)

|QID=Q877

}}