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Iridium

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Iridi   77Ir
Kĭng(gì-tă hĭ-gĭng-sṳ̆k)
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Bohrium(guó-dô gĭng-sṳ̆k)
Hassium(guó-dô gĭng-sṳ̆k)
Meitnerium(mâ̤ hiēu dĕk-séng)
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Roentgenium(mâ̤ hiēu dĕk-séng)
Copernicium(guó-dô gĭng-sṳ̆k)
Nihonium(mâ̤ hiēu dĕk-séng)
Flerovium(bìng-gĭng-sṳ̆k)
Moscovium(mâ̤ hiēu dĕk-séng)
Livermorium(mâ̤ hiēu dĕk-séng)
Tennessine(mâ̤ hiēu dĕk-séng)
Oganesson(mâ̤ hiēu dĕk-séng)
Rhodi

Iridi

Meitneri
OsmiIridibăh-gĭng
ngôi-guăng
silvery white
Two square pieces of gray foil
gái-huóng
miàng-cê·hù-hô̤·sê̤ṳ-só Iridi (iridium)·Ir·77
nguòng-só lôi-biék guó-dô gĭng-sṳ̆k
cŭk·ciŭ-gĭ·kṳ̆ 9·6·d
nguòng-cṳ̄-liông 192.217(3)
diêng-cṳ̄ bà̤-buó

[Xe] 4f14 5d7 6s2
2, 8, 18, 32, 15, 2

Iridi gì diêng cṳ̄ cèng (2, 8, 18, 32, 15, 2)
Iridi gì diêng cṳ̄ cèng (2, 8, 18, 32, 15, 2)
Lĭk-sṳ̄
Discovery and first isolation Smithson Tennant (1803)
ŭk-lī séng-cék
ŭk-tái gó-tā̤
mĭk-dô̤ (ciék-gê̤ṳng sék-ŭng)
22.56 g·cm−3
iòng-diēng sèng-âu gì ĭk-tā̤ mĭk-dô̤ 19 g·cm−3
iòng-diēng 2719 K,2446 °C,4435 °F
bé-diēng 4403 K,4130 °C,7466 °F
iòng iĕk 41.12 kJ·mol−1
ké-huá iĕk 564 kJ·mol−1
bī-iĕk-ṳ̀ng 25.10 J·mol−1·K−1

cĭng-ké-ák

ák/Pa 1 10 100 1 k 10 k 100 k
ŭng/K 2713 2957 3252 3614 4069 4659
nguòng-cṳ̄ séng-cék
iōng-huá-tái −3, −1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9[1]
diêng-hô-séng 2.20 (Pauling biĕu-dô)
diêng-liê-nèng

dâ̤ 1 : {{{1st ionization energy}}} kJ·mol−1

dâ̤ 2: {{{2nd ionization energy}}} kJ·mol−1
nguòng-cṳ̄ buáng-géng 136 pm
gê̤ṳng-gá buáng-géng 141±6 pm
gì-tă
cĭng-tā̤ giék-gáiu

face-centered cubic

Iridi ô face-centered cubic cĭng-tā̤ giék-gáiu
Cṳ̀-sê̤ṳ paramagnetic[2]
diêng-cū-lŭk (20 °C)47.1 nΩ·m
iĕk-dô̤-lŭk 147 W·m−1·K−1
pàng-dióng hiê-só 6.4 µm/(m·K)
siăng-sók (20 °C)4825 m·s−1
Young muò-liông 528 GPa
cēng-ciék muò-liông 210 GPa
tā̤-cék muò-liông 320 GPa
Poisson bī 0.26
Mohs ngâing-dô̤ 6.5
Vickers ngâing-dô 1760–2200 MPa
Brinell ngâing-dô 1670 MPa
CAS hô̤ 7439-88-5
có̤i ūng-diâng gì dùng-ôi-só


dùng-ôi-só hŭng-dô buáng-sŏi-gĭ huŏng-sék nèng-liôngMeV sāng-ŭk
188Ir syn 1.73 d ε 1.64 188Os
189Ir syn 13.2 d ε 0.532 189Os
190Ir syn 11.8 d ε 2.000 190Os
191Ir 37.3% (α) 2.0839 187Re
192Ir syn 73.827 d β 1.460 192Pt
ε 1.046 192Os
192m2Ir syn 241 y IT 0.161 192Ir
193Ir 62.7% (α) 1.0173 189Re
193mIr syn 10.5 d IT 0.080 193Ir
194Ir syn 19.3 h β 2.247 194Pt
194m2Ir syn 171 d IT 194Ir
Decay modes in parentheses are predicted, but have not yet been observed

Iridium sê siŏh cṳ̄ng gĭng-sṳ̆k, iâ sê siŏh cṳ̄ng huá-hŏk nguòng-só. Nguòng-cṳ̄ sê̤ṳ-só sê 77, huá-hŏk hù-hô̤ sê Ir.

Huá-hŏk séng-cék

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Éng-ê̤ṳng

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Cié-chṳ̄

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Chăng-kō̤ cṳ̆-lâiu

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  1. Wang, Guanjun; Zhou, Mingfei; Goettel, James T.; Schrobilgen, Gary G.; Su, Jing; Li, Jun; Schlöder, Tobias; Riedel, Sebastian. Identification of an iridium-containing compound with a formal oxidation state of IX. Nature. 2014, 514: 475–477. doi:10.1038/nature13795. 
  2. Magnetic susceptibility of the elements and inorganic compounds//Lide, D. R. (piĕng). CRC Handbook of Chemistry and Physics 86th. Boca Raton (FL): CRC Press. 2005 [2018-06-03]. ISBN 0-8493-0486-5. (nguòng-sṳ̄ nô̤i-ṳ̀ng còng-dŏng diŏh 2011-03-03).